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

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

*GRAMMAR*
fep -> GREEN 
 dax -> PURPLE 
 lug -> RED 
 wif -> YELLOW 
 x1 blicket x2 -> [x1] [x1] [x2] [x2] 
 x1 tufa -> [x1] [x1] [x1] 
 u1 zup x1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 