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

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

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