This is an argument, because Obama is striving to prove that America needs a new strategy for energy. In this argument he uses logos when he gives the audience specific statistics to support his point. He also uses pathos when he appeals to the emotions of the audience, the emotion of hope for a brighter and cleaner future.
There are many types of conflict. Person Vs. Person is a conflict between two different people. Man Vs. Man is conflict between one person and his inner emotions. Person Vs. Environment is a conflict between one person and the surrounding environment. B. would be your best answer for a Person Vs. Environment conflict.
The answer is:
"Last week I sent a tuner over to my parents’ apartment and had the piano reconditioned, for purely sentimental reasons.”
This is intrisic because she says, "purely for sentimental reasons" meaning she wasn't influenced by anything from the outside, this was something she did on her own based on how she personally felt. It was based on her emotions and her feelings. Hope this helps:)