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

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

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