*SUPPORT*
IN: wif OUT: BLUE
IN: blicket wif fep wif OUT: PURPLE BLUE BLUE BLUE BLUE
IN: dax OUT: GREEN
IN: wif fep blicket OUT: BLUE PURPLE PURPLE PURPLE
IN: blicket fep dax OUT: PURPLE GREEN GREEN GREEN
IN: dax fep wif OUT: GREEN BLUE BLUE BLUE
IN: dax fep wif kiki blicket kiki tufa OUT: YELLOW PURPLE GREEN BLUE BLUE BLUE
IN: tufa blicket OUT: YELLOW PURPLE
IN: dax dax OUT: GREEN GREEN
IN: tufa OUT: YELLOW
IN: wif lug tufa kiki dax blicket kiki tufa OUT: YELLOW GREEN PURPLE BLUE BLUE YELLOW YELLOW
IN: dax dax fep blicket OUT: GREEN GREEN PURPLE PURPLE PURPLE
IN: blicket OUT: PURPLE
IN: wif fep wif OUT: BLUE BLUE BLUE BLUE

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

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