Premise: While pretending, Vygotsky explained, children repeatedly face confiicts between the rules of the make-believe situation and what they would do if they could act impulsively, and they usually decide in favor of the rules.

Hypothesis: Children have to make choices when pretending if they will act out of impulse or follow the rules of the make-believe situation, and they usually choose to follow the rules. 
Relation: entailment