HESI A2 test Grammar - Identifying Conjunctions

Which word in the following sentence is a conjunction?

I don’t want to have to work from home any longer, nor do I want to attend a virtual happy hour.

Nor

Which word in the following sentence is a conjunction?

Sharon’s grandmother baked several apple pies today, so her house smelled like sweet cinnamon.

So

Which word in the following sentence is a conjunction?

Tyrone loves being able to spend time with his family at the holidays, yet he does not quite agree with all of their political beliefs.

Yet

Which word in the following sentence is a conjunction?

The doctors worked overtime this week and will likely do it again next week.

And

Which word in the following sentence is a conjunction?

The children were told they could go on a field trip to the space museum, or to watch a live production at the theater downtown.

Or