Read the following run-on sentence:
Ian is very excited about making homemade ginger ale he is also a little nervous.
Which of the revisions corrects the sentence?
Ian is very excited about making homemade ginger ale, and, he is also a little nervous.
Ian is very excited about making homemade ginger ale, he is also a little nervous.
Ian is very excited about making homemade ginger ale; but he is also a little nervous.
Ian is very excited about making homemade ginger ale. He is also a little nervous.