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

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

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