Aspinner has 7 equal sections which are numbered from 1-7. which of the following are complementary events? (check all that apply)

spinning an odd number, or spinning an even number
spinning 4, or not spinning 4
spinning 1, 2, 3, or spinning 4, 5, 6
spinning 1, 2, 4, or spinning 3, 5, 6, 7