For example a ball that only rolls a short distance will encourage the child to crawl to reach it and push it forward over and over.
(a ball; only rolls; a short distance) (the child; to crawl; to reach it and push it forward over and over) Context(the child to crawl,List([67, 85))):(the child; to crawl to reach; it)
the child to crawl,List([67, 85))
a ball the child the child
only rolls to crawl to crawl to reach
a short distance
to reach it and push it forward over and over
it