import std.stdio;
import std.algorithm;
import std.array;
import std.math;
import std.string;

// Entry point of the program
void main() {
    // Read all input at once for efficiency
    string data = stdin.readAll();
    
    // Split the input into tokens based on whitespace
    auto tokens = data.split!(c => c == ' ' || c == '\n' || c == '\r' || c == '\t')
                     .filter!(s => s.length > 0)
                     .array;
    
    int ptr = 0; // Pointer to keep track of the current token

    // Read the number of test cases
    int t = tokens[ptr++].to!int;
    
    // Process each test case
    while (t-- > 0) {
        // Read the value of n
        int n = tokens[ptr++].to!int;

        // Read array a
        int[] a = new int[n];
        foreach (i; 0 .. n) {
            a[i] = tokens[ptr++].to!int;
        }

        // Read array b
        int[] b = new int[n];
        foreach (i; 0 .. n) {
            b[i] = tokens[ptr++].to!int;
        }

        // Initialize arrays c, d, and p
        int[] c = new int[n];
        int[] d = new int[n];
        int[] p = new int[n];
        foreach (i; 0 .. n) {
            c[i] = min(a[i], b[i]);
            d[i] = a[i] - b[i];
            p[i] = i; // Initialize p with indices 0 to n-1
        }

        // Sort the indices in p based on the comparator
        p.sortWith!((x, y) {
            if (c[x] > c[y]) return -1; // Descending order for c
            if (c[x] < c[y]) return 1;
            if (d[x] < d[y]) return -1; // Ascending order for d if c is equal
            if (d[x] > d[y]) return 1;
            return 0;
        });

        // Determine the result based on the sorted indices
        string result;
        if (d[p[0]] < 0) {
            result = "Alice";
        }
        else if (n >= 2 && c[p[0]] == c[p[1]]) {
            result = "Bob";
        }
        else if (d[p[0]] == 0) {
            result = "Alice";
        }
        else if (d[p[0]] >= 0 && (n < 2 || (n >= 2 && d[p[1]] >= 0))) {
            result = "Bob";
        }
        else {
            result = "Alice";
        }

        // Output the result for the current test case
        writeln(result);
    }
}

answer.d(10): Error: no property `readAll` for `makeGlobal()` of type `std.stdio.File`
/usr/include/dmd/phobos/std/stdio.d(527):        struct `File` defined here
answer.d(20): Error: no property `to` for type `string`, perhaps `import std.conv;` is needed?
answer.d(25): Error: no property `to` for type `string`, perhaps `import std.conv;` is needed?
answer.d(30): Error: no property `to` for type `string`, perhaps `import std.conv;` is needed?
answer.d(36): Error: no property `to` for type `string`, perhaps `import std.conv;` is needed?
answer.d(50): Error: no property `sortWith` for `p` of type `int[]`