*SUPPORT*
IN: kiki OUT: RED
IN: lug kiki OUT: GREEN RED
IN: tufa dax gazzer OUT: BLUE PURPLE
IN: kiki gazzer OUT: RED PURPLE
IN: gazzer lug dax lug OUT: PURPLE GREEN GREEN
IN: lug fep kiki OUT: RED GREEN RED
IN: lug OUT: GREEN
IN: gazzer gazzer lug fep tufa OUT: BLUE PURPLE PURPLE GREEN BLUE
IN: tufa dax kiki OUT: BLUE RED
IN: tufa dax gazzer fep lug OUT: GREEN BLUE PURPLE GREEN
IN: lug dax kiki OUT: GREEN RED
IN: lug tufa dax lug wif tufa OUT: BLUE BLUE BLUE GREEN BLUE GREEN
IN: lug gazzer dax gazzer OUT: GREEN PURPLE PURPLE
IN: tufa fep gazzer OUT: PURPLE BLUE PURPLE

*QUERY*
IN: tufa OUT: BLUE
IN: gazzer tufa OUT: PURPLE BLUE
IN: gazzer dax tufa OUT: PURPLE BLUE
IN: gazzer kiki dax gazzer OUT: PURPLE RED PURPLE
IN: lug dax lug OUT: GREEN GREEN
IN: gazzer OUT: PURPLE
IN: kiki tufa lug dax lug OUT: RED BLUE GREEN GREEN
IN: lug tufa OUT: GREEN BLUE
IN: kiki dax gazzer OUT: RED PURPLE
IN: lug dax tufa OUT: GREEN BLUE

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