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

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

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