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

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

*GRAMMAR*
wif -> RED 
 gazzer -> BLUE 
 blicket -> GREEN 
 dax -> PINK 
 u1 fep u2 -> [u1] [u2] [u2] [u1] [u2] [u2] 
 x1 zup x2 -> [x1] [x2] [x1] 
 u1 kiki -> [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 