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

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

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