Concepts: colleague, friend, gift
A: many buy melons as a gift for friends or colleagues .
Q: Keywords: park, spend, weekend
What is a sentence that includes all these keywords?

A: family of four spending their sunny autumn weekend in the park
Produce a sentence which mentions all of these concepts: building, demolition, process

old building in process of demolition while a crane is constructing a modern structure
[Q]: Generate a sentence that includes all the following words: boat, evening, sea
[A]: boats in the sea on a hazy evening
CONCEPTS: airport, land, runway

GEN: aircraft is landing on the runway at airport
[Q]: Generate a sentence that includes all the following words: establish, forest, trail
[A]:
... and there are established trails throughout the forest .