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

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

*GRAMMAR*
kiki -> YELLOW 
 zup -> RED 
 fep -> GREEN 
 wif -> BLUE 
 u1 blicket x1 -> [u1] [u1] [x1] 
 x1 dax -> [x1] [x1] 
 x1 gazzer x2 -> [x2] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 