*SUPPORT*
IN: dax OUT: GREEN
IN: kiki fep OUT: PURPLE PURPLE
IN: kiki tufa kiki gazzer zup fep OUT: BLUE BLUE BLUE BLUE PURPLE PURPLE
IN: dax tufa zup OUT: BLUE GREEN
IN: dax zup OUT: GREEN BLUE
IN: kiki dax kiki gazzer zup tufa blicket OUT: RED BLUE RED BLUE PURPLE GREEN PURPLE
IN: zup tufa kiki OUT: PURPLE BLUE
IN: blicket kiki OUT: RED PURPLE
IN: blicket OUT: RED
IN: zup kiki OUT: BLUE PURPLE
IN: kiki zup tufa dax OUT: PURPLE GREEN BLUE
IN: kiki tufa kiki OUT: PURPLE PURPLE
IN: kiki tufa dax OUT: GREEN PURPLE
IN: dax fep gazzer dax dax fep OUT: GREEN GREEN GREEN GREEN GREEN GREEN GREEN GREEN

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

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