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

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

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