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

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

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