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

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

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