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

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

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