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

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

*GRAMMAR*
dax -> GREEN 
 fep -> YELLOW 
 wif -> RED 
 zup -> PURPLE 
 u1 lug u2 -> [u2] [u2] [u1] 
 u1 tufa -> [u1] [u1] 
 u1 blicket x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 