if there's a shark coming your way then what do you do? choose one of the two answers
1 swim away
or
2 hide in a cave which the shark can't fit into
3 answers
you can hide in a cave because the shark can't fit in it and if you swim away you will probaly be slow at swimming away so the answer is the 2 one
This is assuming that the cave is not completely under water.
and the cave is not occupied by a swarm of other small predators ...