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

[EX Q]: Sentence: 'a small dog wearing a bright red bow tie as a collar'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 3

[EX Q]: Sentence: 'hotdogs and buns grilling on a charcoal grill'. Count the occurrences of the word 'grilling' in the given sentence.
[EX A]: 1

[EX Q]: Sentence: 'a window with several teddy bears and an umbrella'. Count the occurrences of the word 'umbrella' in the given sentence.
[EX A]:
1