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

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

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