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

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

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