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

Input: Consider Input: Sentence: 'five bags of luggage sitting on to of a floor'. Count the occurrences of the word 'to' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a plate of salad on a table containing tuna spinach and carrot'. Count the occurrences of the word 'a' in the given sentence.

Output: 2


Input: Consider Input: Sentence: 'a zebra statue standing in a living room by some windows'. Count the occurrences of the word 'windows' in the given sentence.


Output: 1