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

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

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