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 traffic light showing green signalstreet sign board is there'. How many words start with the letter 't' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a person on a court with a tennis racket'. How many words start with the letter 'p' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'the tooth brush was left in a glass in the bathroom'. How many words start with the letter 'b' in the sentence.


Output: 2