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

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

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