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

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

*GRAMMAR*
wif -> PINK 
 lug -> RED 
 kiki -> YELLOW 
 zup -> PURPLE 
 x1 fep x2 -> [x1] [x2] 
 u1 tufa u2 -> [u1] [u2] 
 u1 gazzer -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 