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

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

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