Multi-select problem: How does the next paragraph end?

Two women hold hand and start rollerblading, while the girl in the red shirt learns how. the girl in the red shirt

Select from:
(a). falls and they all laugh.
(b). rides in a bumper car.
(c). hugged the girl in blue shirt, another girl is being rollerbladed, waving their arms.
(d). starts rollerblading as a team of green gorillas watch.
(a).