[Q]: Generate a sentence that includes all the following words: flow, lapse, mountain
[A]: time lapse of rain clouds flow over the mountain

[Q]: Generate a sentence that includes all the following words: hat, sale, selection
[A]: a selection of hats on sale .

[Q]: Generate a sentence that includes all the following words: event, firework, sky
[A]:
fireworks explode in the sky over a city for event .