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

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

*GRAMMAR*
kiki -> GREEN 
 wif -> YELLOW 
 fep -> PURPLE 
 dax -> RED 
 x1 tufa x2 -> [x1] [x2] 
 u1 gazzer u2 -> [u1] [u2] 
 x1 zup -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 