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: 'person in profile and sunlight at a barred window'. How many words start with the letter 'a' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a very big elephant standing in the woods in the jungle'. How many words start with the letter 't' in the sentence.


Output: 2