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

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

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