a parents is a mean of celestial preposition
locative_preposition is spatial_preposition. locative_preposition is not spatial_preposition. directional_preposition is not spatial_preposition. spatial_preposition is preposition. directional_preposition is spatial_preposition. telic_directional_preposition is spatial_preposition. preposition_of is preposition. supposition is not conjecture. spatial_preposition is not preposition. supposition is conjecture.