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

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

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