Sentence examples for this a metaphor from inspiring English sources

Is this a metaphor or a puzzle?

Is this a metaphor for America?

Is this a metaphor for life?

"Is this a metaphor?" he asked the supervisor.

Was this a metaphor for opening a restaurant on Staten Island?

Is this a metaphor for the way Behzti got out of hand?

I always assumed Salinger knew this too, that this was a metaphor.

This is a metaphor for failure, This is the Rest of It, the beautiful horse, black horse.

Could this be a metaphor?

This is a metaphor for something, probably.

This is a metaphor for David and Goliath".