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

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

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