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

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

*GRAMMAR*
gazzer -> RED 
 wif -> GREEN 
 tufa -> YELLOW 
 fep -> PINK 
 u1 blicket u2 -> [u1] [u2] 
 u1 zup x1 -> [x1] [u1] 
 u1 dax -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 