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

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

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