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

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

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