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

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

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