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

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

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