
One day, Sam was playing in the park when his dad came by with a big bag. Sam was very excited and asked, "What's in the bag, Dad?" 
"It's a surprise," said Dad. He took out a comb and handed it to Sam. "This is for you," said Dad.
Sam was so happy and said, "Thank you, Dad." He quickly took the comb and combed his hair. Then he tried to pay Dad with a hug.
Dad smiled and said, "That's very sweet of you, but I didn't pay for the comb. I got it for free."
Sam looked a little tired and said, "Oh. Can we go home now, Dad? I'm getting very tired." 
"Of course," said Dad. He picked Sam up and carried him home. As they walked home, Sam combed his hair while he held onto Dad tightly.
