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

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

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