In this task, you are given concept set (with 3 to 5 concepts) that contain mentions of names of people, places, activities, or things. These concept sets reflect reasonable concept co-occurrences in everyday situations. All concepts given as input are separated by "#". Your job is to generate a sentence describing a day-to-day scene using all concepts from a given concept set.

Q: let#stop#train

A: A train stopped and letting people on. 
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Q: blackboard#teacher#write

A: teacher writing on a blackboard
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Q: cloud#lapse#mountain

A:
time lapse of clouds over the mountain
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