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.

[Q]: Sentence: 'a man on a beach throwing a frisbee while two people walking the water'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a young man laying on top of a white toilet seat near a sink'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'teddy bears are sitting in chairs around a table'. How many words start with the letter 'a' in the sentence.
[A]:
3