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

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

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