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

Ex Input:
Sentence: 'a man wearing glasses sits on a bench looking to the side'. Count the occurrences of the word 'man' in the given sentence.

Ex Output:
1


Ex Input:
Sentence: 'two giraffes standing facing each other in an animal park'. Count the occurrences of the word 'park' in the given sentence.

Ex Output:
1


Ex Input:
Sentence: 'a polo player on the back of an elephant'. Count the occurrences of the word 'back' in the given sentence.

Ex Output:

1