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

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

*GRAMMAR*
lug -> BLUE 
 tufa -> RED 
 fep -> YELLOW 
 zup -> PINK 
 x1 blicket x2 -> [x1] [x2] [x1] 
 x1 dax x2 -> [x2] [x2] [x1] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 