In this task, you need to count the number of words in a sentence that contain the given letter
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Question: Sentence: 'a sandwich shop with cars parked in front of it'. How many words contain the letter 'u' in the sentence.

Answer: 0


Question: Sentence: 'people standing in a river surrounding an elephant some are touching it'. How many words contain the letter 'd' in the sentence.

Answer: 2


Question: Sentence: 'a man in a striped shirt posing with a skateboard'. How many words contain the letter 'e' in the sentence.

Answer:
2


