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

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

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