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

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

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