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.

Input: Consider Input: Sentence: 'a man in red and black jacket snowboarding on slope'. How many words start with the letter 'o' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'giraffe brought in ground next to some trees in exhibit'. How many words start with the letter 't' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'here is a traffic light on a busy city street'. How many words start with the letter 'o' in the sentence.


Output: 1