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

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

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