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

Sentence: 'Several zebras and other animals grazing in a field'. Count the number of nouns in this sentence.
3

Sentence: 'A man riding a skateboard on a walkway surrounded by people'. Count the number of verbs in this sentence.
2

Sentence: 'John Kerry watching a man blow out candles on a cake'. Count the number of verbs in this sentence.

2