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 cat inside a window looking out near another cat'. How many words start with the letter 'n' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a grey cat starring at a hand with a donut'. How many words start with the letter 'a' in the sentence.
[EX A]: 4

[EX Q]: Sentence: 'bamboo growing in a teal cup with two white candles'. How many words start with the letter 'i' in the sentence.
[EX A]:
1