Why was el greco successful during his lifetime

Identify the appositive phrase in the excerpt from "the story of an hour" by kate chopin.

5. the following question refers to the four selections by albert einstein: these readings show that, between 1939 and 1952, einstein a) abandoned science and turned to political activism. b) revised his opinions about the need for nuclear weapons. c) worked tirelessly to abolish nuclear weapons. d) devoted himself solely to scientific research.

How do you diagram this sentence. my uncle from pittsburgh pennsylvania recently bought a boat which he will keep on our lake