instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a picture of a scene in a baseball game'. How many words contain the letter 'g' in the sentence.
answer:
1


question:
Sentence: 'ther e is a commuter train that is coming on the tracks'. How many words contain the letter 'r' in the sentence.
answer:
4


question:
Sentence: 'a snowboarder jumping in the air on his snowboard down a snowy slope'. How many words contain the letter 's' in the sentence.
answer:

5