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

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

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