Previous work<cite> (MacCartney et al., 2008)</cite> has presented a phrase-based monolingual aligner for NLI (MANLI) that has been shown to significantly outperform a token-based NLI aligner (Chambers et al., 2007) as well as popular alignment techniques borrowed from machine translation (Och and Ney, 2003; Liang et al., 2006) .