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

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

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