Iapetus is a moon of which planet?
iapetus is a moon of which planet
FreebaseQA-train-9541.P0 FreebaseQA-train-9541.P1
iapetus planet
iapetus planet
m.0p_xs m.05qc_
astronomy.orbital_relationship.orbits astronomy.celestial_object_category.objects
m.0c3s8
saturn
m.0c3s8
saturn