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

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

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