#!/bin/python3

import sys

def profit(b, s, c):
    
    a = 0
    while True:
        b = b-1
        s = s-1
        c = c-1
        a = a+1
        if (b+s) == c:
            return a

  
    
if __name__ == "__main__":
    t = int(input().strip())
    for a0 in range(t):
        b, s, c = input().strip().split(' ')
        b, s, c = [int(b), int(s), int(c)]
        result = profit(b, s, c)
        print(result)