Consider two people, Kwame and Liliana. Each must decide whether to wear a mask. Kwame would prefer to avoid the discomfort of wearing a mask himself, but would like Liliana to wear one. Liliana feels similarly about Kwame. Here is the game they find themselves in: What is the Nash Equilibrium of this game?

Liliana Mask No Mask Mask Kwame 0,0 -10 , 5 No Mask 5,-10 -5, -5 Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a (Mask, Mask) b (Mask, No Mask) C (No Mask, Mask) d (No Mask, No Mask)