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: 'hospital display of different bed setups and a nurses uniform'. How many words start with the letter 'd' in the sentence.
2

Sentence: 'a baseball player prepares to swing at a pitch'. How many words start with the letter 'a' in the sentence.
3

Sentence: 'several people standing in a field and a kite in the air'. How many words start with the letter 'a' in the sentence.

4