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

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

*GRAMMAR*
gazzer -> GREEN 
 zup -> PURPLE 
 tufa -> BLUE 
 wif -> RED 
 x1 fep x2 -> [x1] [x2] 
 x1 dax x2 -> [x2] [x1] 
 x1 blicket x2 -> [x2] [x1] [x2] [x1] [x1] [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 