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

Example Input: Sentence: 'A lunchbox with vegetables, fruit, a sandwich and a cup of tea'. Count the number of verbs in this sentence.
Example Output: 0

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

Example Input: Sentence: 'Three men are riding a spotted elephant in the middle of the park'. Count the number of nouns in this sentence.
Example Output:
4