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

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

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