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

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

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