This simulates a user which expresses preferences through specifying values of Model ROUGE-1 ROUGE-2 ROUGE-L Lead-3 (Nallapati et al., 2017) 39.2 15.7 35.5 ML words-lvt2k-temp-att (Nallapati et al., 2016) 35.46 13.30 32.65 ML, no intra-attention<cite> (Paulus et al., 2017)</cite> 37.86 14.69 34.99 ML, with intra-attention<cite> (Paulus et al., 2017)</cite> 38 the control variables.