TASK DEFINITION: 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.
PROBLEM: niche#organism#role

SOLUTION: niche all organisms have specific roles in an ecosystem

PROBLEM: field#summer#tree

SOLUTION: field with some trees in summer

PROBLEM: arrive#crowd#greet

SOLUTION:
politician is greeted by an enthusiastic crowd as he arrives