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

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

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