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

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

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