Which of the following is a metaphor?

1.an obvious exaggeration
2.a comparison between two unlike things using like or as
3.an implied comparison without using like or as
4.the feeling caused by a word

Which of the following is a simile?
1.an implied comparison without using like or as
2.a comparison between two unlike things using like or as
3.an obvious exaggeration
4.the feeling caused by a word

1. an implied comparison without using like or as - This is a metaphor.

2. a comparison between two unlike things using like or as - This is a simile.