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

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

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