*SUPPORT*
IN: tufa wif zup dax OUT: BLUE RED GREEN BLUE RED GREEN
IN: blicket wif blicket fep OUT: PURPLE RED PURPLE PURPLE PURPLE
IN: zup fep dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN
IN: wif lug OUT: RED RED RED
IN: tufa lug dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: wif OUT: RED
IN: tufa OUT: BLUE
IN: tufa lug OUT: BLUE BLUE BLUE
IN: blicket fep OUT: PURPLE PURPLE PURPLE
IN: wif dax dax OUT: RED RED RED RED
IN: zup fep OUT: GREEN GREEN GREEN
IN: tufa dax OUT: BLUE BLUE
IN: blicket dax OUT: PURPLE PURPLE
IN: blicket zup wif OUT: PURPLE GREEN RED

*QUERY*
IN: wif fep dax OUT: RED RED RED RED RED RED
IN: blicket lug OUT: PURPLE PURPLE PURPLE
IN: zup wif OUT: GREEN RED
IN: tufa tufa dax OUT: BLUE BLUE BLUE BLUE
IN: tufa fep OUT: BLUE BLUE BLUE
IN: tufa fep dax OUT: BLUE BLUE BLUE BLUE BLUE BLUE
IN: zup OUT: GREEN
IN: blicket OUT: PURPLE
IN: zup zup OUT: GREEN GREEN
IN: zup lug OUT: GREEN GREEN GREEN

*GRAMMAR*
wif -> RED 
 zup -> GREEN 
 tufa -> BLUE 
 blicket -> PURPLE 
 u1 fep -> [u1] [u1] [u1] 
 x1 dax -> [x1] [x1] 
 u1 lug -> [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 