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: 'an older airplane flying above buildings and fields'. How many words start with the letter 'a' in the sentence.

A: 4
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Q: Sentence: 'while in a restaurant a young man is playing with his phone'. How many words start with the letter 'w' in the sentence.

A: 2
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Q: Sentence: 'a computer monitor and other computer accessories are nicely organized on a desk'. How many words start with the letter 'o' in the sentence.

A:
3
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