PokerStars No-Limit Hold'em, $0.05 BB (8 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

saw flop

Button ($8)
SB ($5.02)
Hero (BB) ($5)
UTG ($6.18)
UTG+1 ($9.82)
MP1 ($5.76)
MP2 ($4.41)
CO ($1.93)

Preflop: Hero is BB with ,
1 fold, UTG+1 bets $0.40, 1 fold, MP2 calls $0.40, CO raises to $1.93 (All-In), 2 folds

i know CO, he is all in any PP any AK. the rest are unkowns.

whats bets here? all in to squeeze? 4bet? or just fold?