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

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

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