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.

[EX Q]: Sentence: 'a grey cat starring at a hand with a donut'. How many words start with the letter 'a' in the sentence.
[EX A]: 4

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

[EX Q]: Sentence: 'black and white photograph of an outhouse with tile floor'. How many words start with the letter 'a' in the sentence.
[EX A]:
2