Simple set question

[The_Bends]

Question 1. Hero has $50 both opps cover

UTG raises to $2, CO calls, hero calls on button with 55. Standard so far

Flop comes A [img]/images/graemlins/club.gif[/img] 5 [img]/images/graemlins/club.gif[/img] 4 [img]/images/graemlins/diamond.gif[/img]

UTG raises to $6 CO calls Hero raises to $16 UTG pushes, Co pushes, Hero?

Question 2. Exactly the same but hero has 44.

Insta-call both times?