Confused by this hand I just saw with sirio:

***** Hand History for Game 3460066421 *****
NL Texas Hold'em Trny:19670798 Level:3 Blinds (15/30) - Sunday, January 29, 17:35:07 EDT 2006
Table $750K Guaranteed(580790) Table #81 (Real Money)
Seat 5 is the button
Total number of players : 10
Seat 1: Daedalus_gso ( $1130 )
Seat 2: playboyped ( $653 )
Seat 3: smukke111 ( $1335 )
Seat 4: DIBUDDAY ( $3860 )
Seat 5: SS_HQ ( $3183 )
Seat 6: firftr2 ( $1294 )
Seat 7: cytram ( $1205 )
Seat 8: Abetterimage ( $2947 )
Seat 9: jaydub694 ( $982 )
Seat 10: sirio11 ( $3945 )
Trny:19670798 Level:4
Blinds (25/50)
** Dealing down cards **
Abetterimage folds.
jaydub694 folds.
sirio11 calls [50].
>You have options at $750K Guaranteed(580790) Table #56 Table!.
Daedalus_gso calls [50].
playboyped folds.
smukke111 folds.
DIBUDDAY folds.
SS_HQ calls [50].
firftr2 is all-In [1269]
cytram folds.
sirio11 calls [1244].
Daedalus_gso folds.
SS_HQ folds.
** Dealing Flop ** [ 5s, Td, 9s ]
** Dealing Turn ** [ 8h ]
** Dealing River ** [ 3h ]
firftr2 shows [ 9h, 5c ] two pairs, nines and fives.
sirio11 shows [ 2s, 2c ] a pair of twos.
firftr2 wins 2738 chips from the main pot with two pairs, nines and fives.