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

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

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