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

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

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