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

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

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