In this task, you need to count the number of words in a sentence that contain the given letter

Q: Sentence: 'a couple of horses standing next to each other on a field'. How many words contain the letter 'q' in the sentence.

A: 0
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Q: Sentence: 'a horse and a donkey stand in a fenced field'. How many words contain the letter 'd' in the sentence.

A: 5
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Q: Sentence: 'a girl holding an umbrella reading the paper and listening to headphones on a street corner'. How many words contain the letter 'r' in the sentence.

A:
6
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