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

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

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