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

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

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