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

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

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