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

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

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