*SUPPORT*
IN: fep wif fep blicket gazzer OUT: BLUE YELLOW BLUE YELLOW BLUE
IN: gazzer kiki dax OUT: YELLOW PURPLE
IN: gazzer dax kiki tufa blicket tufa OUT: YELLOW PURPLE PINK PINK
IN: tufa blicket tufa OUT: PINK PINK
IN: tufa wif fep gazzer blicket fep OUT: PINK BLUE BLUE YELLOW BLUE BLUE YELLOW
IN: tufa OUT: PINK
IN: gazzer blicket fep OUT: BLUE YELLOW
IN: fep fep gazzer blicket fep OUT: BLUE BLUE BLUE YELLOW
IN: gazzer OUT: YELLOW
IN: fep blicket dax OUT: PURPLE BLUE
IN: dax blicket tufa OUT: PINK PURPLE
IN: dax dax OUT: PURPLE PURPLE
IN: gazzer wif dax blicket fep OUT: YELLOW BLUE PURPLE BLUE PURPLE
IN: tufa wif dax wif dax OUT: PINK PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE

*QUERY*
IN: gazzer wif gazzer fep tufa OUT: YELLOW YELLOW BLUE PINK YELLOW BLUE PINK
IN: gazzer wif tufa OUT: YELLOW PINK PINK
IN: gazzer blicket tufa OUT: PINK YELLOW
IN: tufa blicket gazzer OUT: YELLOW PINK
IN: tufa wif tufa fep blicket dax OUT: PINK PINK PURPLE BLUE PINK PURPLE BLUE
IN: tufa kiki fep OUT: PINK BLUE
IN: tufa blicket dax OUT: PURPLE PINK
IN: dax tufa blicket dax OUT: PURPLE PURPLE PINK
IN: gazzer tufa tufa blicket dax OUT: YELLOW PINK PURPLE PINK
IN: tufa blicket fep OUT: BLUE PINK

*GRAMMAR*
dax -> PURPLE 
 tufa -> PINK 
 gazzer -> YELLOW 
 fep -> BLUE 
 u1 wif x1 -> [u1] [x1] [x1] 
 u1 blicket u2 -> [u2] [u1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 