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

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

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