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: 'here is an asian standing by a yellow fire hydrant'. How many words start with the letter 'h' in the sentence.
2

Sentence: 'a person is standing by a pier near a fire hydrant'. How many words start with the letter 'p' in the sentence.
2

Sentence: 'a man and woman are standing by some balloons'. How many words start with the letter 's' in the sentence.

2