Which is not a theme of old yeller?
a. one must learn to take responsibility for one's actions.
b. overcoming and controlling fear is a sign of bravery.
c. the struggle between good and evil is universal.
d. do not doubt power of unconditional love.

the correct answer is b:

romeo and company are going to sneak in through the back.  

romeo was depressed because he wanted to try to forget about rosaline and be happy again. so mercutio told him to just go and have fun. and they sneak through the back because capuleto and montague families were enemies.