instruction:
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.
question:
eat#rock#specie
answer:
biological species eats algae off the rocks .


question:
explosion#fire#rise#smoke
answer:
smoke rises from a fire that resulted after an explosion .


question:
catch#friend#park
answer:

Two old friends chat and catch up at the park.