System: hi
User: Hi! I just watched "The Martian  (2015)" Are there any similar movies avaialble?
User satisfaction rating (1-5, annotator mean): 3.33
System: how about "The Dark Knight  (2008)"
User: I didn't like "Gravity  (2013)" too much. I liked "Interstellar  (2014)"
User satisfaction rating (1-5, annotator mean): 2.33