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 picture of a zebra that is walking in the grass'. How many words start with the letter 'z' in the sentence.

A: 1
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Q: Sentence: 'a man stands and holds a brown teddy bear'. How many words start with the letter 't' in the sentence.

A: 1
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Q: Sentence: 'city square of old brick buildings and clock tower in middle'. How many words start with the letter 'c' in the sentence.

A:
2
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