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

Ex Input:
Sentence: 'two zebras playing with each others furry ears'. Count the occurrences of the word 'two' in the given sentence.

Ex Output:
1


Ex Input:
Sentence: 'a boat on a river while a woman on a bicycle with a baby stands on the bank'. Count the occurrences of the word 'stands' in the given sentence.

Ex Output:
1


Ex Input:
Sentence: 'a black and white cat sits on a park bench'. Count the occurrences of the word 'on' in the given sentence.

Ex Output:

1