*SUPPORT*
IN: gazzer kiki dax OUT: BLUE GREEN
IN: dax wif OUT: BLUE BLUE BLUE
IN: zup dax gazzer OUT: RED BLUE GREEN
IN: zup wif OUT: RED RED RED
IN: dax OUT: BLUE
IN: fep fep zup fep OUT: YELLOW YELLOW RED YELLOW
IN: zup blicket OUT: RED RED
IN: zup OUT: RED
IN: fep wif OUT: YELLOW YELLOW YELLOW
IN: dax gazzer gazzer blicket OUT: BLUE GREEN GREEN GREEN
IN: gazzer wif OUT: GREEN GREEN GREEN
IN: zup fep OUT: RED YELLOW
IN: fep kiki gazzer OUT: GREEN YELLOW
IN: gazzer gazzer wif OUT: GREEN GREEN GREEN GREEN

*QUERY*
IN: dax blicket OUT: BLUE BLUE
IN: gazzer kiki gazzer OUT: GREEN GREEN
IN: gazzer OUT: GREEN
IN: dax zup wif OUT: BLUE RED RED RED
IN: zup fep wif OUT: RED YELLOW YELLOW YELLOW
IN: fep blicket OUT: YELLOW YELLOW
IN: zup zup OUT: RED RED
IN: zup fep kiki gazzer OUT: RED GREEN YELLOW
IN: fep kiki dax OUT: BLUE YELLOW
IN: dax kiki gazzer OUT: GREEN BLUE

*GRAMMAR*
zup -> RED 
 fep -> YELLOW 
 gazzer -> GREEN 
 dax -> BLUE 
 u1 kiki u2 -> [u2] [u1] 
 u1 wif -> [u1] [u1] [u1] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 