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

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

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