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 box with three foot long hot dogs inside of it'. How many words start with the letter 'i' in the sentence.
[A]: 2


[Q]: Sentence: 'a large jet liner sitting on top of an airport runway'. How many words start with the letter 'a' in the sentence.
[A]: 3


[Q]: Sentence: 'a man serving two children pizza while they are sitting at their kid sized table'. How many words start with the letter 'm' in the sentence.
[A]:
1