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

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

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