Add punctuation: A father with an especially problematic hyperactive son heard that the problem had something to do with diet
A: A father with an especially problematic hyperactive son heard that the problem had something to do with diet.

Add punctuation: Acts 102 tells us that Cornelius prayed to God regularly
A: Acts 10:2 tells us that Cornelius "prayed to God regularly."

Add punctuation: CHILD 44 has Ridley Scott as producer and it is directed by the successful Swedish director Daniel Espinosa
A:
CHILD 44 has Ridley Scott as producer and it is directed by the successful Swedish director, Daniel Espinosa.