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

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

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