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

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

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