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

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

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