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

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

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