*SUPPORT*
IN: fep fep OUT: GREEN GREEN
IN: wif wif OUT: YELLOW YELLOW
IN: kiki kiki OUT: PINK PINK
IN: blicket dax dax dax OUT: RED RED RED RED RED RED RED RED
IN: fep wif gazzer OUT: GREEN YELLOW YELLOW YELLOW YELLOW
IN: wif OUT: YELLOW
IN: blicket OUT: RED
IN: blicket fep wif OUT: RED GREEN YELLOW
IN: kiki fep dax OUT: PINK GREEN PINK GREEN
IN: fep gazzer OUT: GREEN GREEN GREEN GREEN
IN: fep dax OUT: GREEN GREEN
IN: fep OUT: GREEN
IN: kiki gazzer OUT: PINK PINK PINK PINK
IN: kiki gazzer dax OUT: PINK PINK PINK PINK PINK PINK PINK PINK

*QUERY*
IN: blicket dax dax OUT: RED RED RED RED
IN: blicket blicket wif dax OUT: RED RED YELLOW RED RED YELLOW
IN: kiki dax OUT: PINK PINK
IN: blicket gazzer OUT: RED RED RED RED
IN: wif blicket dax OUT: YELLOW RED YELLOW RED
IN: kiki OUT: PINK
IN: fep kiki kiki gazzer OUT: GREEN PINK PINK PINK PINK PINK
IN: wif gazzer OUT: YELLOW YELLOW YELLOW YELLOW
IN: wif gazzer dax OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: wif kiki gazzer OUT: YELLOW PINK PINK PINK PINK

*GRAMMAR*
blicket -> RED 
 wif -> YELLOW 
 fep -> GREEN 
 kiki -> PINK 
 x1 dax -> [x1] [x1] 
 x1 tufa x2 -> [x1] [x1] [x1] [x2] [x2] [x1] 
 u1 gazzer -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 