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

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

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