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

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

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