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

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

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