During the Minerva siege, what three proctors do not laugh and howl?
a. Proctor Galen, Proctor Wren, Proctor Rigel
b. Proctor Juno, Proctor Lyra, Proctor Orion
c. Proctor Stella, Proctor Cassiopeia, Proctor Leo
d. Proctor Phoenix, Proctor Draco, Proctor Taurus