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

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

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