Concepts: find, grow, tree
A: i found this tree growing down in the valley .
Q: Keywords: hall, listen, speaker
What is a sentence that includes all these keywords?

A: a lot of young people in a big hall listening to a speaker
Produce a sentence which mentions all of these concepts: mangrove, tide, tree

mangrove trees during low tide
[Q]: Generate a sentence that includes all the following words: share, sister, umbrella
[A]: The sisters share a purple umbrella.
CONCEPTS: building, include, reflect

GEN: unusual shapes of modern buildings reflected in lake including a public library
CONCEPTS: athlete, country, send

GEN:
athlete led country to the semifinals but was sent off early in the match against country .