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

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

*GRAMMAR*
dax -> PINK 
 tufa -> RED 
 blicket -> GREEN 
 gazzer -> YELLOW 
 x1 fep x2 -> [x2] [x1] 
 x1 zup -> [x1] [x1] 
 x1 wif -> [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 