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

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

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