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

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

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