instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a gothic tower features a clock near a river'. How many words contain the letter 'e' in the sentence.
answer:
4


question:
Sentence: 'a man that is sitting on a horse in the grass'. How many words contain the letter 'y' in the sentence.
answer:
0


question:
Sentence: 'a big guy posing next to a building'. How many words contain the letter 'm' in the sentence.
answer:

0