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

Sentence: 'a variety of aerial vehicles in a hangar'. Count the occurrences of the word 'a' in the given sentence.
2

Sentence: 'an orange and white cat rolling around a wooden floor'. Count the occurrences of the word 'cat' in the given sentence.
1

Sentence: 'in the first picture there are stuffed sea animals in the second there are stuffed monkeys in the third there are stuffed tigers and elephants and in the fourth there are stuffed dogs'. Count the occurrences of the word 'in' in the given sentence.

4