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

Ex Input:
Sentence: 'a red plate and a person is decorating a cake'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:
3


Ex Input:
Sentence: 'a wall has a plaque with a city and numbers on it'. Count the occurrences of the word 'numbers' in the given sentence.

Ex Output:
1


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