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

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

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