IF speed is medium AND distance is medium THEN brake is weak 
IF speed is fast AND distance is very short THEN brake is very strong 
IF speed is very slow AND distance is far THEN brake is very weak 
IF speed is fast AND distance is medium THEN brake is medium 
IF speed is very slow AND distance is medium THEN brake is weak 
IF speed is fast AND distance is short THEN brake is strong 
IF speed is slow AND distance is medium THEN brake is weak 
IF speed is very fast AND distance is short THEN brake is very strong 
IF speed is fast AND distance is long THEN brake is medium 
IF speed is very slow AND distance is medium THEN brake is weak