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 man wearing glasses collecting samples in a container in a forest'. How many words start with the letter 'g' in the sentence.

A: 1
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Q: Sentence: 'man playing tennis on dirt court outside in the sun'. How many words start with the letter 'd' in the sentence.

A: 1
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Q: Sentence: 'the snow boarders are strapping on their boards'. How many words start with the letter 's' in the sentence.

A:
2
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