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

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

*GRAMMAR*
kiki -> YELLOW 
 tufa -> GREEN 
 fep -> RED 
 lug -> PINK 
 x1 wif x2 -> [x1] [x1] [x2] 
 x1 gazzer -> [x1] [x1] 
 u1 dax u2 -> [u2] [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 