countering the rest of a moving preposition echo decreasing the mechanical matter of the moving preposition
preposition is not function_word. presupposition is not supposition. preposition is function_word. presupposition is supposition. temporal_preposition is preposition. spatial_preposition is preposition. preposition_of is preposition. preposition_of is not preposition. temporal_preposition is not preposition. spatial_preposition is not preposition.