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 stands and holds a brown teddy bear'. How many words start with the letter 't' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a man on a bike and a banana in the pocket'. How many words start with the letter 'a' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a cat sitting on a chair staring at the camera'. How many words start with the letter 'a' in the sentence.


Output: 3