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 red and white double decker bus parked in front of a building'. How many words start with the letter 'b' in the sentence.

Answer: 2


Question: Sentence: 'here is an asian standing by a yellow fire hydrant'. How many words start with the letter 'h' in the sentence.

Answer: 2


Question: Sentence: 'a tall brown elephant walking through a lush green forest'. How many words start with the letter 'b' in the sentence.

Answer:
1