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

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

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