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 road with a crosswalk in the middle of it'. How many words start with the letter 't' in the sentence.

A: 1
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Q: Sentence: 'some zebras standing around in a special area'. How many words start with the letter 'i' in the sentence.

A: 1
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Q: Sentence: 'a boat speeds across a large lake while a bigger boat heads in the opposite direction'. How many words start with the letter 'd' in the sentence.

A:
1
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