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

Input: Consider Input: Sentence: 'a pile of trash in a trash can'. Count the occurrences of the word 'of' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a very large cow that is in a field'. Count the occurrences of the word 'large' in the given sentence.

Output: 1


Input: Consider Input: Sentence: 'a man woman and child petting a goat at a petting zoo'. Count the occurrences of the word 'a' in the given sentence.


Output: 3