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 person walking on a city street with a luggage bag'. How many words start with the letter 'w' in the sentence.

A: 2
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Q: Sentence: 'a man talks on the cellphone outside of a building'. How many words start with the letter 'o' in the sentence.

A: 3
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Q: Sentence: 'a man laying on a bed next to a dog'. How many words start with the letter 'o' in the sentence.

A:
1
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