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

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

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