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

Ex Input:
Sentence: 'a white plate with rice and vegetables with wooden chop sticks'. Count the occurrences of the word 'chop' in the given sentence.

Ex Output:
1


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

Ex Output:
1


Ex Input:
Sentence: 'a person taking a photo of a person brushing her teeth'. Count the occurrences of the word 'person' in the given sentence.

Ex Output:

2