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

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

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