What is the best method to match a pattern in set of lines

[Terminator]

Hello,
 My requierment is to get the "Stick Tag" value from the below o/p and
based on tag take different actions. What is the best way to implement
it. I am new to Python, so appreciate any input.

Command o/p:
===
File: Packet.tclStatus: Needs Merge

   Working revision:1.2.98  Result of merge
   Repository revision: 1.2.99  /auto/quality/CVS/tools/ext/
Packet.tcl,v
   Sticky Tag:  rel-ip-branch (branch: 1.584.2)
   Sticky Date: (none)
   Sticky Options:  (none)

Requirement:
If "Sticky Tag" is rel-ip-brach
  do A
else "Sticky Tag" is rel-ipv6-branch
  do B

Thanks in advance.
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WORLD FAMOUS EVOLUTIONIST IN PRISON -- THE THRINAXODON TIMES

[TERMINATOR OF TALK.ORIGINS]

==
> BREAKING NEWS
==
>
RICHARD LEAKEY RECENTLY SENT TO PRISON AFTER BEING CAUGHT SCAMMING 
MILLIONS OF YOUNG PEOPLE INTO THE SCAM OF EVOLUTION.

>
THRINAXODON, WHO WAS THE LEAD PROSECUTOR SAID THIS TO THE NY TIMES:


 It strikes me silly that one of the world's leading 
evolutionary charlatans finally get put into the place they deserve: PRISON


I've been trying FOR YEARS TO GET THESE BASTARDS (LEAKEY, DAWKINS, ETC.) 
FOR YEARS INTO TOP-MAX PRISONS. ONE HAS FINALLY BEEN SENT, RICHARD 
LEAKEY. May the rest of the charlatans fall? Who knows. But, this is a 
warning to all con artists making a buck out of taking peoples souls 
(e.g. evolutionary bullshit).

>
LEAKEY WAS SENTENCED TO THREE LIFE SENTENCES AND NO CHANCE OF BAIL. 
THRINAXODON LED A MOB OF 3,000,000 PEOPLE TO THE PRISON, AND WE ALL 
CHEERED WITH HAPPINESS THAT OUR KIDS WILL NO LONGER BE FORCED-FED BULLSHIT!

>
==
EVIDENCE THAT HUMANS LIVED IN THE DEVONIAN:

https://groups.google.com/group/sci.bio.paleontology/browse_thread/thread/6f501c469c7af24f#

https://groups.google.com/group/sci.bio.paleontology/browse_thread/thread/3aad75c16afb0b82#



http://thrinaxodon.wordpress.com/

===

THRINAXODON ONLY HAD THIS TO SAY:

"I..I...I...Can't believe it. This completely disproved Darwinian
orthodoxy."

===

THE BASTARDS AT THE SMITHSONIAN, AND THE LEAKEY FOUNDATION ARE ERODING
WITH FEAR.

===
THESE ASSHOLES ARE GOING TO DIE:
THOMAS AQUINAS;
ALDOUS HUXLEY;
BOB CASANVOVA;
SkyEyes;
DAVID IAIN GRIEG;
MARK ISAAK;
JOHN HARSHAM;
RICHARD NORMAN;
DR. DOOLITTLE;
CHARLES DARWIN;
MARK HORTON;
ERIK SIMPSON;
HYPATIAB7;
PAUL J. GANS;
JILLERY;
WIKI TRIK;
THRINAXODON;
PETER NYIKOS;
RON OKIMOTO;
JOHN S. WILKINS
===

THRINAXODON WAS SCOURING ANOTHER DEVONIAN FOSSIL BED, AND FOUND A
HUMAN SKULL, AND A HUMAN FEMUR. HE ANALYSED THE FINDS, AND SAW THAT
THEY WERE NOT NORMAL ROCKS. THESE WERE FOSSILIZED BONES. THEY EVEN HAD
TOOTH MARKS ON THEM. SO, THRINAXODON BROUGHT THEM TO THE LEAKEY
FOUNDATION, THEY UTTERLY DISMISSED IT, AND SAID, "We want to keep
people thinking that humans evolved 2 Ma." THRINAXODON BROUGHT HIS
SWORD, AND SAID, "SCIENCE CORRECTS ITSELF." RICHARD LEAKEY SAID, "That
is a myth, for people to believe in science." THRINAXODON PLANS TO
BRING DOOM TO SCIENCE, ITSELF.



THRINAXODON IS NOW ON TWITTER
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Thrinaxodon, the ultimate defender of USENET.
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