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

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

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