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

Ex Input:
Sentence: 'woman wearing all black holding up a white surfboard'. Count the occurrences of the word 'holding' in the given sentence.

Ex Output:
1

Ex Input:
Sentence: 'couple of people sitting out in the snow with skis beside them'. Count the occurrences of the word 'them' in the given sentence.

Ex Output:
1

Ex Input:
Sentence: 'several people on bikes in front of a building'. Count the occurrences of the word 'in' in the given sentence.

Ex Output:
1