Stephen wants to use the Corresponding Angles Theorem to determine if the street between the park and bus stop is parallel to the street between his friend's house and the grocery store. He knows the angle between the bus stop, the park, and his home. Which other angle does he need to know?

a. Bus stop, his home, and park
b. Friend's house, grocery store, and bus stop
c. Grocery store, his friend's house, and his home
d. Park, bus stop, and his friend's house