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

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

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