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.

[Q]: Sentence: 'a group of kites flying before a big blue sky'. How many words start with the letter 'b' in the sentence.
[A]: 3


[Q]: Sentence: 'a woman is holding the hand of a boy who is leaning on a fire hydrant'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a ship on the ocean with a view of the mountains'. How many words start with the letter 'm' in the sentence.
[A]:
1