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

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

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