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

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

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