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: At the Well they had not long to wait before Mr. McLean suddenly appeared out of the mist, and to their astonishment Miss Ailie was leaning on his arm.

SOLUTION: Mr. McLean

PROBLEM: The two couples drove to the Shopton Yacht Club dock on Lake Carlopa.

SOLUTION: couples

PROBLEM:  They stand in front of one drum and perform a routine using only drums.

SOLUTION:
They