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

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

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