Table 2a shows the translation quality of different systems in terms of BLEU score. Row 3 is from (<cite>Siahbani et al., 2013</cite>) 5 . As we discussed in Section 2, <cite>LR-Hiero+CP</cite> suffers from severe search errors on Zh-En (1.5 BLEU) but using queue diversity (QD=15) we fill this gap. We achieve better results than <cite>our previous work</cite> (<cite>Siahbani et al., 2013</cite>) type (c) rules.