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

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

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