Instructions: Given a text, write a compressed version of it in a single sentence.
Input: Just how does imaginative play help children distinguish ideas from the enticing stimuli around them and use thought to guide behavior? According to Vygotsky, the object substitutions that permeate children's make-believe are crucial in this process.
Output:
Just how does play help children distinguish ideas from the enticing stimuli around them? Vygotsky states that the object substitutions that permeate children's make-believe are crucial.