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 couple of men shaking hands next to a wooden table'. How many words start with the letter 'a' in the sentence.
2

Sentence: 'a girl and her dog walk past a bike'. How many words start with the letter 'a' in the sentence.
3

Sentence: 'the guy is having trouble holding the frisbee'. How many words start with the letter 'h' in the sentence.

2