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 street sign view in a very blurry picture'. How many words start with the letter 's' in the sentence.

Answer: 2


Question: Sentence: 'a group of kites flying before a big blue sky'. How many words start with the letter 'b' in the sentence.

Answer: 3


Question: Sentence: 'a cardboard box filled with a citrus fruit'. How many words start with the letter 'f' in the sentence.

Answer:
2