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

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

*GRAMMAR*
kiki -> YELLOW 
 fep -> BLUE 
 wif -> GREEN 
 dax -> RED 
 x1 blicket x2 -> [x2] [x1] 
 u1 zup u2 -> [u2] [u1] 
 u1 gazzer -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 