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

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

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