Compound and Complex Sentences

Is the sentence below compound or complex?

I love terrible puns, so I try to write sentences with them.

Is the sentence below compound or complex?

Whenever I have the opportunity to use a terrible pun, I will.

Is the sentence below compound or complex?

I saw someone post a joke about tearable puns, and I thought they

made a spelling mistake.

Is the sentence below compound or complex?

When I looked closer, they had puns that could be torn from a

piece of paper.

Is the sentence below compound or complex?

I’m a big fan of whiteboards, and I find them quite remarkable.