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

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

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