private Character getSolidCharacter(GameDescription gameDescription){
		GameAnalyzer gameAnalyzer = new GameAnalyzer(gameDescription);
		ArrayList<String> solidSprites = gameAnalyzer.getSolidSprites();
		int minValue = Integer.MAX_VALUE;
		Character result = ' ';
		for(Entry<Character, ArrayList<String>> entry:gameDescription.getLevelMapping().entrySet()){
			for(String s:solidSprites){
				if(entry.getValue().contains(s)){
					if(entry.getValue().size() < minValue){
						result = entry.getKey();
					}
				}
			}
		}
		
		return result;
	}