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

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

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