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 group of giraffes faces and stare in the same direction while one of the faces and stares in the other '. How many words start with the letter 'o' in the sentence.

A: 4
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Q: Sentence: 'a guy a skateboard jumping in the air'. How many words start with the letter 'a' in the sentence.

A: 3
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Q: Sentence: 'a big bunch of ripe yellow bananas on display'. How many words start with the letter 'b' in the sentence.

A:
3
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