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

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

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