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.
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Question: Sentence: 'a person walking on a street with a umbrella'. How many words start with the letter 's' in the sentence.

Answer: 1


Question: Sentence: 'this is a girl brushing her hair with a comb'. How many words start with the letter 'w' in the sentence.

Answer: 1


Question: Sentence: 'a bed that has a blanket and pillow on it'. How many words start with the letter 'a' in the sentence.

Answer:
3