instruction:
In this task, you are given a sentence which contains a motion and your task is to identify the physical entities involved in the motion. The input sentence can have more than one entity and also there is at least one entity that takes part in physical motion. There are two types of entities which are animate (beings that are alive) and inanimate entities (beings that are not alive).
question:
A man welds a section of a steel beam in a workshop.
answer:
man


question:
 She steps back and forth, turns and shakes her hips like a belly dancer.
answer:
She


question:
 Then he puts mayonnaise on the bread and tops it with the meat, lettuce and tomato.
answer:

he