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

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

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