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

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

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