def relation(xa, ya, ra, xb, yb, rb)
    d = ((xa - xb) ** 2 + (ya - yb) ** 2) ** 0.5
    return 0 if ra + rb < d
    return 2 if d + rb <= ra
    return -2 if d + ra <= rb
    return 1
end

$<.gets.to_i.times do
    p relation(*$<.gets.split.map(&:to_f))
end