In this task, you're given a context, a question, and three options. Your task is to find the correct answer to the question using the given context and options. Also, you may need to use commonsense reasoning about social situations to answer the questions. Classify your answers into 'A', 'B', and 'C'.

Context: Riley finished Jan's project because Jan became ill and couldn't do the work. 
 Question: How would Riley feel afterwards? 
 Options: (A) sad that the project was finally over (B) serious about helping their friend (C) happy to have helped their friend
C

Context: robin needed someone's input so she asked kai's opinion on the outfit. 
 Question: Why did Robin do this? 
 Options: (A) encourage robin (B) hear what kai had to say (C) manipulate kai into complimenting her
B

Context: Austin knew Robin much better and new she was going to play a trick. 
 Question: Why did Austin do this? 
 Options: (A) know they like to play tricks (B) thought he should play a trick (C) set up the trick

A