In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.

[Q]: Sentence1: Galen's father loved sailboats. Sentence2: Galen never had time to learn to sail. Sentence3: One day, he decided that he wanted to try it out. Sentence4: Galen asked his father to teach him to sail. Sentence5: He now has a new favorite hobby.
[A]: Galen, Father

[Q]: Sentence1: Dean's roof was damaged in the recent wind storm. Sentence2: He decided to fix the roof himself. Sentence3: He worked on it for two weeks before he asked for help. Sentence4: His friend Max came to help Todd finish the roofing project. Sentence5: Together they finished the roof and it looked amazing.
[A]: Max, Dean

[Q]: Sentence1: Hal hadn't considered nutrition in his first 20 years. Sentence2: On his 26th birthday he began to be especially concerned. Sentence3: His gut was obvious, but he knew action had to be taken. Sentence4: He couldn't stay lazy, so he exercised more and maintained his diet. Sentence5: This combination made him and others feel inspired that Spring.
[A]:
Hal, Others