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: 'people standing walking down a street while holding onto colorful umbrellas'. Count the number of nouns in this sentence.
Example Output: 3

Example Input: Sentence: 'Some people and chickens hang out in an undeveloped space'. Count the number of verbs in this sentence.
Example Output:
1