#!/bin/ruby

def minimumZooNumbers(m, n, t, s, d)
    return -1
    # Return a list of length n consisting of the answers
end

cases = gets.strip.to_i
for a0 in (0..cases-1)
    m, n = gets.strip.split(' ')
    m = m.to_i
    n = n.to_i
    t = gets.strip
    t = t.split(' ')
    s = gets.strip
    s = s.split(' ').map(&:to_i)
    d = gets.strip
    d = d.split(' ').map(&:to_i)
    result = minimumZooNumbers(m, n, t, s, d)
    print result.join(" ")


end