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: 'several people watch cars drive by with bikes on them'. How many words start with the letter 'b' in the sentence.

A: 2
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Q: Sentence: 'people all eating together and pretending to like each other'. How many words start with the letter 'p' in the sentence.

A: 2
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Q: Sentence: 'a sandwich of meat and onions is on a foil wrapper'. How many words start with the letter 'o' in the sentence.

A:
3
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