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

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

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