Read this sentence. It contains a comma splice.

I want to go to the yard sale, I heard there are some great deals.
Which of the following makes this sentence correct?

I want to go to the yard sale and I heard there are some great deals.

I want to go to the yard sale; I heard there are some great deals.

I want to go to the yard sale I heard there are some great deals.

I want to go to the yard sale but; I heard there are some great deals

The correct sentence that fixes the comma splice is:

"I want to go to the yard sale; I heard there are some great deals."