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

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

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