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

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

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