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

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

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