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

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

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