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 man pulls a rolling suitcase and is wearing a suit'. How many words start with the letter 'a' in the sentence.

Answer: 4


Question: Sentence: 'street signs for the intersection of library way and fifth avenue'. How many words start with the letter 'o' in the sentence.

Answer: 1


Question: Sentence: 'a young woman is picking a black cat up off of the floor'. How many words start with the letter 'a' in the sentence.

Answer:
2