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

Input: Consider Input: Sentence: 'a menu in the middle of a fast food returant'. Count the occurrences of the word 'a' in the given sentence.

Output: 2


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: 'a small shirtless child with brown hair has a brush'. Count the occurrences of the word 'a' in the given sentence.


Output: 2