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

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

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