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: 'several white boats are anchored at a marina'. How many words start with the letter 's' in the sentence.
[A]: 1


[Q]: Sentence: 'an adult and baby elephant standing together in a zoo pin'. How many words start with the letter 'a' in the sentence.
[A]:
4