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

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

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