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

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

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