*SUPPORT*
IN: zup OUT: RED
IN: zup blicket OUT: RED PINK
IN: zup kiki OUT: RED BLUE
IN: gazzer zup OUT: GREEN RED
IN: gazzer dax OUT: GREEN GREEN GREEN GREEN
IN: zup dax OUT: RED RED RED RED
IN: blicket zup OUT: PINK RED
IN: blicket fep OUT: PINK PINK PINK
IN: blicket blicket gazzer zup dax OUT: PINK PINK GREEN RED RED RED RED
IN: blicket zup dax OUT: PINK RED RED RED RED
IN: kiki OUT: BLUE
IN: gazzer OUT: GREEN
IN: gazzer blicket tufa OUT: GREEN PINK GREEN PINK GREEN PINK
IN: gazzer zup dax OUT: GREEN RED RED RED RED

*QUERY*
IN: zup kiki dax OUT: RED BLUE BLUE BLUE BLUE
IN: kiki dax OUT: BLUE BLUE BLUE BLUE
IN: kiki tufa OUT: BLUE BLUE BLUE
IN: blicket OUT: PINK
IN: blicket zup kiki OUT: PINK RED BLUE
IN: kiki kiki OUT: BLUE BLUE
IN: zup kiki blicket dax OUT: RED BLUE PINK PINK PINK PINK
IN: zup zup dax OUT: RED RED RED RED RED
IN: kiki zup OUT: BLUE RED
IN: gazzer fep OUT: GREEN GREEN GREEN

*GRAMMAR*
blicket -> PINK 
 zup -> RED 
 gazzer -> GREEN 
 kiki -> BLUE 
 u1 dax -> [u1] [u1] [u1] [u1] 
 x1 tufa -> [x1] [x1] [x1] 
 x1 fep -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 