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 riding their mountain bike off road'. How many words start with the letter 'r' in the sentence.

A: 2
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Q: Sentence: 'a man using a laptop computer on a table'. How many words start with the letter 'a' in the sentence.

A: 3
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Q: Sentence: 'a city street filled with lots of cars driving through the snow'. How many words start with the letter 'w' in the sentence.

A:
1
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