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

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

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