This is a test of commonsense with single/multi-choices. Complete the next sentence:

Two people are horseback riding on a snowy trail. As they are riding they pass a set of glass igloos planted on the estate. they

Options:
-- stop at one of the igloos and dismount before dismounting.
-- reach a clearing where there is open land and several trees.
-- stop briefly at the vet to check on a tabby cat.
-- continue through the woods, and past a bridge.
The answer is:
reach a clearing where there is open land and several trees.