*SUPPORT*
IN: wif OUT: GREEN
IN: wif blicket lug zup wif OUT: GREEN PURPLE GREEN BLUE BLUE BLUE
IN: blicket gazzer blicket OUT: BLUE BLUE
IN: zup blicket lug wif gazzer wif OUT: PURPLE GREEN GREEN BLUE BLUE BLUE
IN: zup dax wif gazzer dax OUT: PURPLE RED GREEN RED
IN: blicket OUT: BLUE
IN: zup gazzer zup fep blicket gazzer wif OUT: PURPLE PURPLE BLUE GREEN BLUE GREEN PURPLE PURPLE
IN: blicket gazzer wif fep blicket OUT: BLUE GREEN BLUE BLUE BLUE GREEN
IN: wif lug zup lug wif gazzer wif OUT: GREEN GREEN PURPLE PURPLE PURPLE GREEN GREEN GREEN
IN: dax dax OUT: RED RED
IN: wif fep dax gazzer blicket OUT: GREEN RED BLUE RED BLUE GREEN
IN: blicket gazzer wif OUT: BLUE GREEN
IN: wif zup gazzer dax OUT: GREEN PURPLE RED
IN: dax OUT: RED

*QUERY*
IN: blicket zup gazzer wif OUT: BLUE PURPLE GREEN
IN: zup gazzer blicket OUT: PURPLE BLUE
IN: wif lug blicket gazzer wif OUT: BLUE GREEN GREEN GREEN GREEN
IN: dax blicket OUT: RED BLUE
IN: zup OUT: PURPLE
IN: blicket lug blicket gazzer wif OUT: BLUE GREEN BLUE BLUE BLUE
IN: blicket lug zup gazzer blicket OUT: PURPLE BLUE BLUE BLUE BLUE
IN: wif lug wif OUT: GREEN GREEN GREEN GREEN
IN: wif gazzer zup OUT: GREEN PURPLE
IN: wif gazzer wif OUT: GREEN GREEN

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