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

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

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