*SUPPORT*
IN: gazzer lug zup OUT: PURPLE PURPLE PURPLE PURPLE
IN: kiki dax kiki zup OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: gazzer tufa tufa OUT: PURPLE RED RED
IN: kiki dax gazzer OUT: PURPLE BLUE PURPLE
IN: gazzer lug lug OUT: PURPLE PURPLE PURPLE PURPLE
IN: gazzer lug OUT: PURPLE PURPLE
IN: kiki lug OUT: BLUE BLUE
IN: kiki wif OUT: BLUE GREEN
IN: wif dax kiki OUT: BLUE GREEN BLUE
IN: wif lug lug OUT: GREEN GREEN GREEN GREEN
IN: gazzer zup OUT: PURPLE PURPLE
IN: kiki kiki zup lug OUT: BLUE BLUE BLUE BLUE BLUE BLUE BLUE BLUE
IN: kiki OUT: BLUE
IN: tufa lug zup OUT: RED RED RED RED

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

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