Formal is like writing to professors. like this, The other day I was with a couple of friends at a cinema. After watching the film the Manager came towards us.... ect ect
Answer:
for number 1 its e and number 2 its b
It's C. He doesn't know where to find Anne Murray
I would say either the first or second sentence, because they both describe where he technically is. I would lean more towards #1, but the choice is really up to you.