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

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

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