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 train on the side of a road on the edge of the water'. How many words contain the letter 'u' in the sentence.

Answer: 0


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: 'a wine glass holding stand with three selections of drinks'. How many words contain the letter 'r' in the sentence.

Answer:
2