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

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

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