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

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

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