@inproceedings{BosMarkert2006RTE2,
   title     = {When logical inference helps determining textual entailment (and when it doesn't)},
   author    = {Bos, Johan and Markert, Katja},
   booktitle = {The Second PASCAL Recognising Textual Entailment Challenge. Proceedings of the Challenges Workshop},
   editor    = {Magnini, Bernardo and Dagan, Ido},
   address   = {Venice, Italy},
   pages     = {98--103},
   year      = {2006}
}