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 bus and two cars are going down a two way street'. How many words start with the letter 't' in the sentence.

Output: 2


Input: Consider Input: Sentence: 'the passengers are going up the step in to the plane'. How many words start with the letter 't' in the sentence.

Output: 4


Input: Consider Input: Sentence: 'a closeup of the top of a fire hydrant with a train in the background'. How many words start with the letter 't' in the sentence.


Output: 4