sentences: a unobservant preposition can be used for ringing
docs: preposition_of is preposition. spatial_preposition is preposition. preposition is function_word. telic_durational_preposition is temporal_preposition. verbal_tense_operator is unary_predicate. convener is caller. preposition is part_of_speech. telic_directional_preposition is spatial_preposition. ringing_up_item is entry.