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

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

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