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

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

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