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: 'the zebra is walking through the tall brown grass'. How many words start with the letter 't' in the sentence.

A: 4
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Q: Sentence: 'a young woman is posing on a wooden table'. How many words start with the letter 'w' in the sentence.

A: 2
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Q: Sentence: 'an airplane in the air against a cloudless blue sky'. How many words start with the letter 'a' in the sentence.

A:
5
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