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 tennis player walking off the court'. How many words start with the letter 't' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'a woman is standing in the kitchen using her phone'. How many words start with the letter 'w' in the sentence.

Output: 1


Input: Consider Input: Sentence: 'a person with a can and a bat on a field'. How many words start with the letter 'a' in the sentence.


Output: 5