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

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

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