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 soccer player running and kicking a soccer ball during a match'. How many words start with the letter 'a' in the sentence.
[A]: 4


[Q]: Sentence: 'a group of young people riding snow boards down a snow covered hillside'. How many words start with the letter 'a' in the sentence.
[A]: 2


[Q]: Sentence: 'a person feeding a baby kitten a bottle of milk'. How many words start with the letter 'a' in the sentence.
[A]:
3