Question

Which of the following is a metaphor?

1,The open put was like a grave.
2,One fish must eat another to survive.
3,memories of the past brought a tornado of emotions.
4,a mysterious, handwritten note warned us not to enter.

Answer 1

3: Memories of the past brought a tornado of emotions. A metaphor is a figure of speech, they don't actually mean their emotions turned into a tornado.

Answer 2

2 One fish must eat another to survive
The other ones are either a simile or statement.