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

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

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