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

*QUERY*
IN: dax tufa OUT: GREEN PURPLE
IN: dax dax kiki tufa OUT: GREEN GREEN PURPLE PURPLE
IN: dax lug OUT: GREEN GREEN GREEN GREEN GREEN
IN: blicket lug OUT: RED RED RED RED RED
IN: blicket tufa tufa OUT: RED PURPLE PURPLE
IN: gazzer gazzer zup OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: tufa zup OUT: PURPLE PURPLE PURPLE PURPLE
IN: dax gazzer blicket zup OUT: GREEN YELLOW RED RED RED RED
IN: gazzer blicket zup OUT: YELLOW RED RED RED RED
IN: gazzer kiki tufa OUT: YELLOW PURPLE PURPLE

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