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

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

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