Q: 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: Hiking in the Woods. Sentence 1: My dog, Ninja, likes to run in our small yard. Sentence 2: Next week we'll return to the woods with our dog for more fun. Sentence 3: We walked around a state forest for hours, getting our exercise. Sentence 4: By the time we returned home, everyone and the dog was tired. Sentence 5: I planned a little like for Ninja and my children.
A:
25