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

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

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