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.

cloud#hide#mountain
mountains nearly hidden by the clouds .

grass#motorcycle#park
a motorcycle parked on a lot near grass

cloud#darken#sky

clouds move through a darkening sky