*SUPPORT*
IN: wif blicket gazzer zup OUT: GREEN PINK BLUE
IN: fep tufa OUT: YELLOW YELLOW
IN: fep blicket dax OUT: YELLOW PINK PINK
IN: fep fep OUT: YELLOW YELLOW
IN: wif tufa OUT: GREEN GREEN
IN: wif OUT: GREEN
IN: fep OUT: YELLOW
IN: fep dax OUT: YELLOW YELLOW
IN: zup blicket tufa OUT: BLUE PINK PINK
IN: blicket wif dax OUT: PINK GREEN GREEN
IN: blicket gazzer fep OUT: PINK YELLOW
IN: blicket fep tufa OUT: PINK YELLOW YELLOW
IN: zup OUT: BLUE
IN: fep wif OUT: YELLOW GREEN

*QUERY*
IN: fep blicket OUT: YELLOW PINK
IN: fep gazzer blicket OUT: YELLOW PINK
IN: wif gazzer wif OUT: GREEN GREEN
IN: blicket zup gazzer zup OUT: PINK BLUE BLUE
IN: zup dax OUT: BLUE BLUE
IN: zup tufa OUT: BLUE BLUE
IN: fep fep blicket OUT: YELLOW YELLOW PINK
IN: blicket dax OUT: PINK PINK
IN: wif gazzer fep OUT: GREEN YELLOW
IN: blicket tufa OUT: PINK PINK

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