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

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

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