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

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

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