From RTE 1-3 (Dagan et al., 2006;Bar-Haim et al., 2006;Giampiccolo et al., 2007), it was a binary classification problem for only two relations: YES and NO, regarding to entailment and non-entailment.
• (Doug Lawrence bought the impressionist oil landscape by J. Ottis Adams in the mid-1970s at a Fort Wayne antiques dealer.)