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

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

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