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

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

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