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

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

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