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

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

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