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

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

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