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: 'two packaged frozen pizzas that are on a cookie sheet and the boxes behind the pizzas'. How many words start with the letter 't' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a man skateboarding down a rail next to a building'. How many words start with the letter 'a' in the sentence.

Output: 3


Input: Consider Input: Sentence: 'a white plate sitting on top of a wooden table topped with food'. How many words start with the letter 'a' in the sentence.


Output: 2