*SUPPORT*
IN: fep zup dax kiki OUT: RED PINK RED PINK YELLOW YELLOW
IN: dax lug tufa kiki OUT: RED GREEN PINK
IN: dax fep fep OUT: RED YELLOW YELLOW
IN: kiki lug OUT: PINK GREEN
IN: fep fep gazzer OUT: YELLOW YELLOW YELLOW YELLOW
IN: kiki OUT: PINK
IN: lug kiki OUT: GREEN PINK
IN: kiki tufa fep tufa dax zup dax gazzer OUT: PINK YELLOW RED RED RED RED RED RED
IN: dax fep kiki OUT: RED YELLOW PINK
IN: lug tufa lug OUT: GREEN GREEN
IN: dax tufa lug tufa kiki zup lug OUT: RED GREEN GREEN GREEN PINK PINK
IN: dax OUT: RED
IN: fep tufa kiki zup lug OUT: YELLOW GREEN GREEN PINK PINK
IN: dax gazzer OUT: RED RED

*QUERY*
IN: lug OUT: GREEN
IN: lug gazzer OUT: GREEN GREEN
IN: lug zup fep OUT: YELLOW YELLOW GREEN GREEN
IN: kiki dax OUT: PINK RED
IN: fep OUT: YELLOW
IN: fep zup lug OUT: GREEN GREEN YELLOW YELLOW
IN: dax zup lug gazzer OUT: GREEN GREEN GREEN GREEN RED RED
IN: lug lug kiki OUT: GREEN GREEN PINK
IN: lug fep OUT: GREEN YELLOW
IN: lug lug tufa dax gazzer OUT: GREEN GREEN RED GREEN GREEN RED

*GRAMMAR*
kiki -> PINK 
 fep -> YELLOW 
 dax -> RED 
 lug -> GREEN 
 u1 tufa x1 -> [u1] [x1] 
 u1 zup x1 -> [x1] [x1] [u1] [u1] 
 x1 gazzer -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 