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

[EX Q]: Sentence: 'a bathroom with a vanity mirror toilette and kitchen sink next to a shower'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 3

[EX Q]: Sentence: 'a jumbo jet airplane carrying a space shuttle in the air'. Count the occurrences of the word 'a' in the given sentence.
[EX A]: 2

[EX Q]: Sentence: 'people standing with horses in a small pond'. Count the occurrences of the word 'in' in the given sentence.
[EX A]:
1