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

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

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