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

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

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