22M 35.88 27.16 30.20 36.21 27.26 30.48 -0.33 -0.10 -0.28 Table 2 : BLEU Score results for the Spanish Treelet Penalty experiments EX Treelet Phrasal Diff ( T-P ) Req Log WMT 2009 WMT 2010 Req Log WMT 2009 WMT 2010 Req Log WMT 2009 WMT 2010