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

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

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