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

Input: Consider Input: Sentence: 'three people skiing on a snowy hill  thats almost empty'. Count the occurrences of the word 'thats' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a metal counter in a kitchen with a sink'. Count the occurrences of the word 'a' in the given sentence.

Output: 3


Input: Consider Input: Sentence: 'a view of a living room with a laptop and a tv in it'. Count the occurrences of the word 'living' in the given sentence.


Output: 1