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.

Sentence: 'a living room filled with a brown chair and couch'. How many words start with the letter 'c' in the sentence.
2

Sentence: 'people walking down the street while some people ride their bicycles'. How many words start with the letter 'w' in the sentence.
2

Sentence: 'a young man standing in the snow next to snow boards'. How many words start with the letter 'n' in the sentence.

1