instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'an untidy room with clothes bottles next to an oven'. How many words contain the letter 'a' in the sentence.
answer:
2


question:
Sentence: 'a man in a tie that is looking to the side'. How many words contain the letter 'm' in the sentence.
answer:
1


question:
Sentence: 'an elderly man walking in a field carrying a wooden stick'. How many words contain the letter 'u' in the sentence.
answer:

0