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 putting a protective covering over a large tv screen'. How many words start with the letter 'l' in the sentence.
[A]: 1


[Q]: Sentence: 'a us air force sitting on a runway near a field'. How many words start with the letter 'a' in the sentence.
[A]: 4


[Q]: Sentence: 'many colored pencils are in a glass next to a sharpener'. How many words start with the letter 'p' in the sentence.
[A]:
1