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

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

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