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

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

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