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.

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

Sentence: 'a person riding a skateboard down a street'. How many words start with the letter 'a' in the sentence.
3

Sentence: 'three stacked tea cups with saucers with a gold post through them'. How many words start with the letter 'w' in the sentence.

2