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 person is kite surfing on calm water while it is cloudy'. How many words start with the letter 'k' in the sentence.
[A]: 1


[Q]: Sentence: 'here is an asian standing by a yellow fire hydrant'. How many words start with the letter 'h' in the sentence.
[A]: 2


[Q]: Sentence: 'three motorcycle police in front of a crowd attending an outdoor summer event with beer truck behind them'. How many words start with the letter 'p' in the sentence.
[A]:
1