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

*QUERY*
IN: dax OUT: BLUE
IN: dax fep zup OUT: BLUE PURPLE PURPLE
IN: fep gazzer fep OUT: PURPLE PURPLE PURPLE
IN: tufa OUT: GREEN
IN: fep OUT: PURPLE
IN: fep gazzer tufa OUT: GREEN PURPLE PURPLE
IN: tufa zup OUT: GREEN GREEN
IN: fep zup OUT: PURPLE PURPLE
IN: fep wif fep OUT: PURPLE PURPLE
IN: fep fep gazzer tufa OUT: PURPLE GREEN PURPLE PURPLE

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