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: 'person surfing in the sea on the surfboard'. How many words start with the letter 's' in the sentence.

A: 3
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Q: Sentence: 'a young woman is picking a black cat up off of the floor'. How many words start with the letter 'a' in the sentence.

A: 2
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Q: Sentence: 'two dogs sitting on the tail gate of a truck'. How many words start with the letter 't' in the sentence.

A:
4
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