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

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

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