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

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

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