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 brown dog sitting next to a brown cat on a bed'. How many words start with the letter 'a' in the sentence.

Answer: 3


Question: Sentence: 'a man in a wheel chair holding a tennis racquet'. How many words start with the letter 't' in the sentence.

Answer: 1


Question: Sentence: 'a woman walks behind a fountain while holding an umbrella'. How many words start with the letter 'w' in the sentence.

Answer:
3