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.

grind#rail#skateboard
A man grinds a rail on his skateboard.

carve#tree#trunk
the trunk of this tree has been carved .

arena#bull#bullfighter

A bullfighter is fighting a bull in a bullfighting arena