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

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

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