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

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

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