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

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

*GRAMMAR*
lug -> PURPLE 
 tufa -> GREEN 
 zup -> BLUE 
 dax -> YELLOW 
 x1 fep x2 -> [x2] [x1] 
 x1 wif -> [x1] [x1] 
 x1 blicket x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 