When Looking at a Payoff Table, What Does It Mean

When looking at a payoff table, what does it mean to "Put yourself in someone else's shoes"?

A) Look at the other party's options to see if those options are better than yours.
B) Negotiate with the other party to switch places with that party.
C) Try to take on the roles of both parties to determine which choices lead to the best of all possible outcomes.
D) Figure out what decision the other party is likely to make, given the other party's incentives.