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

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

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