Let C(x) be "x is cold-blooded," let F(x) be "x is a fish," and let S(x) be "x lives in the sea."
(a) Translate into a formula: Every fish is cold-blooded.
(b) Translate into English: (∃x)(S (x) ∧ ¬F (x))
(c) Translate into English: (∀x)(F (x) → S (x))