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 street sign of some sort in the middle of some road'. Count the number of nouns in this sentence.
Example Output: 5

Example Input: Sentence: 'A horse being shown in front of large crowds'. Count the number of verbs in this sentence.
Example Output:
1