Answer:
The answer to this question is "nested".
Explanation:
The answer to this question is nested because, In programming languages, there is a concept of nested if-else statement. In nested if-else statement placing if statement inside another IF Statement that is known as nested If in C Programming.
Example of nested if can be given as
#include <stdio.h>
int main()
{
   int a,b,c;
 printf("Enter 3 number\n");
 scanf("%d",&a);
 scanf("%d",&b);
 scanf("%d",&c);
    if(a>b)
    {
     if(a>c)
     {
         printf("A is greater: %d",a);
     }
    }
    else
    {
        if(b>c)
        {
            printf("B is greater: %d",b);
        }
        else
        {
            printf("C is greater: %d",c);  
        }
    }
    return 0;
}
output:
Enter 3 number  
4
7
9
c is greater: 9