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

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

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