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: 'people in a field are looking up at a kite'. How many words start with the letter 'u' in the sentence.

A: 1
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Q: Sentence: 'a person leans back while holding onto a flying object'. How many words start with the letter 'a' in the sentence.

A: 2
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Q: Sentence: 'a giraffe is standing by some trees in a field'. How many words start with the letter 'a' in the sentence.

A:
2
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