We compared our approach with two state-of-the-art SMT and NMT systems: [Koehn and Hoang, 2007] . GroundHog is an attention-based neural machine translation system<cite> [Bahdanau et al., 2015]</cite> . 1. Moses [Koehn and Hoang, 2007] : a phrase-based SMT system; 2. GroundHog<cite> [Bahdanau et al., 2015]</cite> : an attention-based NMT system.