instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a woman on a bike with an umbrella'. How many words contain the letter 'e' in the sentence.
answer:
2


question:
Sentence: 'two men are dancing in a parade with brown umbrellas'. How many words contain the letter 'r' in the sentence.
answer:
4


question:
Sentence: 'many trains are on the busy train tracks'. How many words contain the letter 'm' in the sentence.
answer:

1