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

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

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