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

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

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