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: 'the man is laying in bed taking his temperature'. How many words start with the letter 'i' in the sentence.
[A]: 2


[Q]: Sentence: 'a man in vest and tie holding a cellphone'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a guy does a skateboard trick and a young girl watches'. How many words start with the letter 'y' in the sentence.
[A]:
1