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).

[Q]: With only three spades the work was slow, but we cut sod with axes, and after several hours' work had it finished.
[A]: we


[Q]:  He then unscrews a light switch and pulls it out just a little, making some slits in the fabric or paper, then putting the light switch back over the new wall paper.
[A]: He


[Q]: There are several passengers traveling in a subway train.
[A]:
passengers