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 horse pulling a carriage with people in the snow'. How many words start with the letter 'a' in the sentence.
[A]: 2


[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 removing a pizza from an oven'. How many words start with the letter 'p' in the sentence.
[A]:
2