In this task, you need to count the number of nouns/verbs in the given sentence.

[EX Q]: Sentence: 'A polar bear stands on a rock surface in a zoo'. Count the number of verbs in this sentence.
[EX A]: 1

[EX Q]: Sentence: 'An elephant is by itself standing for the picture'. Count the number of verbs in this sentence.
[EX A]: 1

[EX Q]: Sentence: 'Cars driving on the street and people walking on the sidewalk in a city'. Count the number of verbs in this sentence.
[EX A]:
2