What effect did the episode with the SS Empire Tern have on Philip?

Which type of story uses animals as characters in order to illustrate a general truth about human nature?

Identify the participle or infinitive phrase in the sentence below

Aman lives on the twelfth floor of an apartment building. every morning he takes the elevator down to the lobby and leaves the building. in the evening, he gets into the elevator, and, if there is someone else in the elevator -- or if it was raining that day -- he goes back to his floor directly. otherwise, he goes to the tenth floor and walks up two flights of stairs to his apartment.