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

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

*GRAMMAR*
dax -> RED 
 fep -> PURPLE 
 gazzer -> GREEN 
 zup -> BLUE 
 u1 wif x1 -> [u1] [x1] 
 u1 tufa u2 -> [u2] [u1] [u1] 
 x1 blicket -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 