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).

Input: Consider Input:  The man then plays the guitar a bit and moves his hands up and down the neck.

Output: man


Input: Consider Input: Bart's hands were shaking with sudden fear.

Output: Bart's


Input: Consider Input:  The girl is holding two frisbee, then she walked and turned side by side and the dog roll over in front of her, the dog touched the knees of the girl, the girl walked with her hands up and the dog walked with his two front paws up.


Output: girl