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

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

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