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

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

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