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: 'parking meter with nine minutes left and red car'. How many words start with the letter 'c' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a cat is laying on a keyboard in front of double monitors'. How many words start with the letter 'm' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'several people pose outside of tents in front of skis and luggage'. How many words start with the letter 'o' in the sentence.
[EX A]:
3