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 bedroom area with bed two dressers and a window'. How many words start with the letter 'w' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a display of a variety of pizzas in a restaurant window'. How many words start with the letter 'd' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'people standing along the side of a road on a sunny day'. How many words start with the letter 'a' in the sentence.
[EX A]:
3