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

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

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