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 man holding onto a kite for a woman in the yard'. How many words start with the letter 'o' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a brown and white dog standing on a lush green field'. How many words start with the letter 'b' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'an extreme skier skiing down the mountains kicking up snow'. How many words start with the letter 'm' in the sentence.
[EX A]:
1