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 baseball player holding a glove in one hand and ball in the other'. How many words start with the letter 'a' in the sentence.

A: 3
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Q: Sentence: 'a person is sitting in the grass on a motorcycle'. How many words start with the letter 'i' in the sentence.

A: 2
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Q: Sentence: 'a young girl brushes her teeth with a colorful toothbrush'. How many words start with the letter 'g' in the sentence.

A:
1
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