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

Example Input: Sentence: 'Two people standing next to a huge wall looking at their cell phones'. Count the number of nouns in this sentence.
Example Output: 4

Example Input: Sentence: 'a small black dog is playing with a green toy'. Count the number of nouns in this sentence.
Example Output: 2

Example Input: Sentence: 'Mac and cheese sub with some fries on the side'. Count the number of verbs in this sentence.
Example Output:
0