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

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

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