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: 'three hotdogs on a picnic table with soft drinks'. How many words start with the letter 'w' in the sentence.
1

Sentence: 'an officer sits on a brown horse on a city street'. How many words start with the letter 'o' in the sentence.
3

Sentence: 'the green bus has a large front window and a yellow license plate'. How many words start with the letter 'y' in the sentence.

1