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

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

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