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.

[Q]: Sentence: 'a yellow grey and white bird on a small group of twigs'. How many words start with the letter 'b' in the sentence.
[A]: 1


[Q]: Sentence: 'a very large carrot and a large knife'. How many words start with the letter 'l' in the sentence.
[A]: 2


[Q]: Sentence: 'a snowboarder performing a stunt on a snowy mountain'. How many words start with the letter 'o' in the sentence.
[A]:
1