Teacher: 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.
Teacher: Now, understand the problem? If you are still confused, see the following example:
mountain#ski#skier
Solution: Skier skis down the mountain
Reason: Generated sentence as output is based on all three concepts "mountain", "ski", and "skier" given in the concept set.

Now, solve this instance: field#lay#tree
Student:
A bull laying down in a field by a tree.