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.

[EX Q]: Sentence: 'a colorful kite flies over top a house'. How many words start with the letter 'f' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a guy a skateboard jumping in the air'. How many words start with the letter 'a' in the sentence.
[EX A]: 3

[EX Q]: Sentence: 'a very large pizza with pepperoni and olives and someone taking  massive slice'. How many words start with the letter 'l' in the sentence.
[EX A]:
1