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

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

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