It has been shown that incorporating gaze improves RR in a situated setting because speakers need to look at and distinguish from distractors the objects they are describing: this has been shown in a static scene on a computer screen (Prasov and Chai, 2008) , in human-human interactive puzzle tasks (Iida et al., 2010;<cite> Iida et al., 2011)</cite> , in web browsing (Hakkani-tür et al., 2014) , and in a moving car where speakers look at objects in their vicinity (Misu et al., 2014) .