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

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

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