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

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

*GRAMMAR*
tufa -> PURPLE 
 blicket -> BLUE 
 gazzer -> GREEN 
 dax -> YELLOW 
 u1 fep u2 -> [u1] [u2] 
 u1 wif -> [u1] [u1] [u1] 
 x1 zup x2 -> [x1] [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 