*SUPPORT*
IN: dax OUT: GREEN
IN: dax fep dax dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: lug fep kiki OUT: BLUE PINK PINK BLUE
IN: dax kiki tufa dax OUT: GREEN BLUE YELLOW GREEN
IN: tufa fep kiki OUT: BLUE YELLOW YELLOW BLUE
IN: dax tufa wif dax kiki wif kiki OUT: GREEN YELLOW GREEN BLUE BLUE
IN: tufa fep lug OUT: PINK YELLOW YELLOW PINK
IN: lug tufa wif tufa OUT: PINK YELLOW YELLOW
IN: kiki wif lug dax blicket tufa fep tufa OUT: BLUE PINK GREEN YELLOW YELLOW YELLOW YELLOW
IN: kiki OUT: BLUE
IN: dax dax OUT: GREEN GREEN
IN: tufa tufa OUT: YELLOW YELLOW
IN: lug OUT: PINK
IN: tufa kiki fep kiki blicket kiki OUT: YELLOW BLUE BLUE BLUE BLUE BLUE

*QUERY*
IN: lug lug fep tufa OUT: PINK YELLOW PINK PINK YELLOW
IN: lug blicket dax OUT: PINK GREEN
IN: tufa dax OUT: YELLOW GREEN
IN: kiki fep lug blicket dax tufa OUT: PINK BLUE BLUE PINK GREEN YELLOW
IN: tufa OUT: YELLOW
IN: lug fep dax OUT: GREEN PINK PINK GREEN
IN: kiki dax kiki OUT: BLUE GREEN BLUE
IN: kiki tufa OUT: BLUE YELLOW
IN: kiki lug OUT: BLUE PINK
IN: kiki dax OUT: BLUE GREEN

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