*SUPPORT*
IN: dax lug OUT: PURPLE PURPLE
IN: gazzer OUT: PINK
IN: dax tufa kiki OUT: PURPLE GREEN
IN: kiki dax tufa dax OUT: GREEN PURPLE PURPLE
IN: gazzer dax tufa gazzer OUT: PINK PURPLE PINK
IN: dax blicket lug OUT: PURPLE RED RED
IN: gazzer kiki dax fep dax tufa dax OUT: PINK GREEN PURPLE PURPLE PURPLE
IN: dax fep dax tufa kiki OUT: PURPLE GREEN PURPLE
IN: blicket tufa kiki OUT: RED GREEN
IN: dax dax lug OUT: PURPLE PURPLE PURPLE
IN: blicket kiki lug OUT: RED GREEN GREEN
IN: gazzer blicket OUT: PINK RED
IN: kiki OUT: GREEN
IN: blicket tufa gazzer OUT: RED PINK

*QUERY*
IN: dax OUT: PURPLE
IN: dax gazzer tufa kiki OUT: PURPLE PINK GREEN
IN: dax fep kiki lug OUT: GREEN GREEN PURPLE
IN: blicket lug OUT: RED RED
IN: kiki lug OUT: GREEN GREEN
IN: blicket fep kiki OUT: GREEN RED
IN: blicket OUT: RED
IN: kiki fep gazzer OUT: PINK GREEN
IN: blicket blicket kiki blicket fep kiki gazzer OUT: RED RED GREEN GREEN PINK RED
IN: gazzer tufa gazzer OUT: PINK PINK

*GRAMMAR*
blicket -> RED 
 dax -> PURPLE 
 kiki -> GREEN 
 gazzer -> PINK 
 u1 lug -> [u1] [u1] 
 u1 tufa u2 -> [u1] [u2] 
 u1 fep x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 