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

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

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