Feedback for subjective question

Question 1: Use semicolons or commas to revise each comma splice or fused sentence into a correct compound sentence.

1. A search party looked for the dog for three days; however, there was no sign of him.
2. After a good lunch at the restaurant, the boys went to a movie, they found the story boring.
3. He didn't like cats at all; in fact he was terribly frightened of them.