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 young man laying on top of a white toilet seat near a sink'. How many words start with the letter 'a' in the sentence.

A: 3
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Q: Sentence: 'a bus and two cars are going down a two way street'. How many words start with the letter 't' in the sentence.

A: 2
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Q: Sentence: 'a transit bus parked with trees in the background'. How many words start with the letter 't' in the sentence.

A:
3
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