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

Ex Input:
Sentence: 'a meal served with broccoli and rice and decorated with radishes'. Count the occurrences of the word 'and' in the given sentence.

Ex Output:
2

Ex Input:
Sentence: 'a woman holding a child are looking at a cow over a fence'. Count the occurrences of the word 'a' in the given sentence.

Ex Output:
4

Ex Input:
Sentence: 'teo women in all white playing tennis on a tennis court'. Count the occurrences of the word 'tennis' in the given sentence.

Ex Output:
2