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

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

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