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

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

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