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

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

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