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

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

*GRAMMAR*
wif -> PINK 
 zup -> BLUE 
 dax -> RED 
 gazzer -> GREEN 
 x1 tufa -> [x1] [x1] 
 x1 lug x2 -> [x1] [x2] 
 x1 fep u1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 