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

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

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