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 man that has a tennis racket by a court'. How many words start with the letter 'h' in the sentence.
[A]: 1


[Q]: Sentence: 'a colorful kite flies over top a house'. How many words start with the letter 'f' in the sentence.
[A]: 1


[Q]: Sentence: 'a person walking on a street with a umbrella'. How many words start with the letter 's' in the sentence.
[A]:
1