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

Ex Input:
Sentence: 'giraffe reaching up to eat the little buds on the tree'. Count the occurrences of the word 'the' in the given sentence.

Ex Output:
2


Ex Input:
Sentence: 'some people with a bunch of hot dogs on some big forks'. Count the occurrences of the word 'hot' in the given sentence.

Ex Output:
1


Ex Input:
Sentence: 'several boats on a river in a canyon'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:

2