In this task, you need to count the number of words in a sentence that start with the given letter. Answer with numbers and not words.

Q: Sentence: 'a little white airplane that is parked on some concrete'. How many words start with the letter 'p' in the sentence.

A: 1
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Q: Sentence: 'a man serves the ball during a claycourt tennis match'. How many words start with the letter 'm' in the sentence.

A: 2
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Q: Sentence: 'there is a goat and a dog standing in the grass'. How many words start with the letter 'a' in the sentence.

A:
3
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