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

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

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