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

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

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