user
A huge mythical animal said to resemble a whale
A: denizen
B: leviathan
C: tropical sea
D: vascular tissue
E: oligochaeta
assistant
<|begin_of_thought|>

Deep Thought is thinking for 7.5 million years.

<|end_of_thought|>

<|begin_of_solution|>

B

<|end_of_solution|>