In this task, you need to count the occurrences of the given word in the given sentence.

Input: Consider Input: Sentence: 'a yellow sign warns of a plank surface in front of a large gray building'. Count the occurrences of the word 'yellow' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a bedroom is shown with a rug on the floor'. Count the occurrences of the word 'on' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'two sets of washers and dryers sitting in front of a kitchen'. Count the occurrences of the word 'of' in the given sentence.


Output: 2