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

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

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