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

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

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