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 group of four people are riding a ski lift as they ride over the snowy mountain'. How many words start with the letter 'a' in the sentence.
4

Sentence: 'a person on a court with a tennis racket'. How many words start with the letter 'p' in the sentence.
1

Sentence: 'the open microwave has different types of food waiting'. How many words start with the letter 'h' in the sentence.

1