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 woman is holding some cupcakes with candles and a kitchen and a baby in a chair'. How many words start with the letter 'k' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a living room with hd tv chair and decorations'. How many words start with the letter 'r' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'group of men playing a game with nintendo wii controllers'. How many words start with the letter 'c' in the sentence.
[EX A]:
1