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

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

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