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: 'car pass threw a green light in the day light'. How many words start with the letter 'd' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'an electric train stands on the train tracks'. How many words start with the letter 't' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'tea time in the dollhouse is much like the real thing'. How many words start with the letter 't' in the sentence.


Output: 5