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

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

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