*SUPPORT*
IN: lug kiki dax lug tufa blicket tufa gazzer OUT: PURPLE GREEN BLUE PINK BLUE
IN: lug tufa gazzer OUT: PURPLE BLUE
IN: gazzer zup OUT: PURPLE PURPLE
IN: lug gazzer kiki zup OUT: BLUE PURPLE PINK PINK
IN: kiki lug OUT: PINK BLUE
IN: lug dax blicket tufa lug OUT: BLUE BLUE GREEN
IN: lug dax kiki OUT: BLUE PINK
IN: blicket OUT: GREEN
IN: lug dax gazzer tufa lug OUT: BLUE BLUE PURPLE
IN: gazzer blicket dax lug OUT: PURPLE GREEN BLUE
IN: kiki zup OUT: PINK PINK
IN: gazzer zup tufa blicket tufa blicket OUT: GREEN GREEN PURPLE PURPLE
IN: gazzer dax kiki OUT: PURPLE PINK
IN: kiki dax gazzer OUT: PINK PURPLE

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

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