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

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

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