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

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

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