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

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

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