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

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

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