TASK DEFINITION: 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).
PROBLEM: Two people then get in the tubes and are pushed down the slopes.

SOLUTION: Two people

PROBLEM:  The man then looks up and speaks.

SOLUTION: man

PROBLEM: Margaret cast the gown on the bed, revealing all its beauty of jetted lace and soft yellow silk with a dextrous sweep of her arm.

SOLUTION:
Margaret