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

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

*GRAMMAR*
gazzer -> PURPLE 
 zup -> BLUE 
 tufa -> RED 
 fep -> PINK 
 u1 blicket u2 -> [u1] [u1] [u2] [u2] 
 u1 wif u2 -> [u2] [u2] [u1] 
 x1 dax x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 