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

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

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