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

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

*GRAMMAR*
dax -> YELLOW 
 wif -> GREEN 
 fep -> RED 
 gazzer -> PINK 
 x1 tufa x2 -> [x2] [x1] [x2] 
 u1 zup u2 -> [u1] [u1] [u2] 
 u1 blicket -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 