In this task, you're given the title of a story consisting of five sentences, numbered 1 through 5. Your job is to determine which two sentences need to be swapped sentences in order to make a story that makes complete sense and is befittingly titled. Indicate your answer using the numbers of the two sentences in order, such as '34' or '25'. The first digit refers to the sentence which should come first in the story.

Title: Gifts. Sentence 1: His friend had a great time at the concert, and loved the gift. Sentence 2: His friend's birthday was next week. Sentence 3: Brett thought about what his friend would like. Sentence 4: He bought his friend concert tickets. Sentence 5: Brett wanted to buy a gift for his friend.
15

Title: Tree House. Sentence 1: Sam went to the store yesterday and bought some wood. Sentence 2: When he finally let us see his project we were amazed. Sentence 3: He worked in his backyard all day. Sentence 4: He would not tell us what he was building. Sentence 5: Sam built the best tree house I have ever seen.
24

Title: 4th of July. Sentence 1: We went to visit family on the 4th of July. Sentence 2: That day there was a tornado near our home. Sentence 3: Driving home, we saw very black clouds in a straight line in the sky. Sentence 4: It was scary driving into bad weather. Sentence 5: We had a wonderful picnic with tasty food.
25