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

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

*GRAMMAR*
dax -> GREEN 
 blicket -> BLUE 
 tufa -> PURPLE 
 gazzer -> RED 
 u1 lug u2 -> [u2] [u1] [u1] 
 x1 wif x2 -> [x1] [x2] 
 u1 fep -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 