What is the personal pronouns and possessive pronouns in this passage please help

our ,their,we,our ,you ,yours,my

hello! i am thinking the answer is d. to convince parliament to go to war against nazi germany

sorry if i am wrong

onto a large boat, and mark the water level that the boat sinks to. then, take the elephant out and put a bunch of marked weights onto the boat until it reaches the same water level. add up the masses of the weights to get the weight of the elephant.