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

Sentence: 'A person is walking with their dog in a backpack in the park'. Count the number of nouns in this sentence.
4

Sentence: 'Two guys giving a thumbs up on their skis'. Count the number of nouns in this sentence.
3

Sentence: 'Two small birds are resting on a tree branch'. Count the number of nouns in this sentence.

3