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

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

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