Given a text, write a compressed version of it in a single sentence.

[EX Q]: In the field of early childhood education, Piaget's theory sparked preschool classrooms emphasizing discovery learning through children's spontaneous interaction with the environment. Rather than teaching didactically, teachers in Piagetian-based settings provide a rich variety of hands-on activities and encourage children's exploration and experimentation.
[EX A]: Piaget's theory sparked classrooms discovery learning through interaction with the environment. Teachers in Piagetian-based settings provide hands-on activities, and encourage children's exploration and experimentation.

[EX Q]: In other words, based on what they knew about a group of languages which were documented, they tried to imagine the language that they sprang from.
[EX A]: Based on their knowledge of a group of documented languages, they imagined the language that they sprang from.

[EX Q]: LAST-IN, FIRST-OUT (LIFO) - A cost flow assumption; the last goods purchased are assumed to be the first goods sold.
[EX A]:
A cost flow assumption; last goods purchased seem to be the first goods sold.