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

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

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