Select from:
[i] squids.
[ii] humans.
[iii] h2o.
[iv] trout.
[v] octopus.
[vi] insects.
[vii] ducks.
[viii] fish.
Given those answer options, answer the question: Fact 1: Webbed feet are used for moving faster through water by aquatic animals. Fact 2: Ducks are aquatic birds. Given the two facts above, what uses webbed feet for moving faster through water?
A:
[vii]