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

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

*GRAMMAR*
fep -> BLUE 
 zup -> RED 
 tufa -> PINK 
 wif -> PURPLE 
 u1 dax u2 -> [u2] [u1] 
 u1 blicket x1 -> [x1] [u1] 
 u1 lug x1 -> [u1] [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 