What is the fine-grained topic of the following text: As usual, this should be an exciting game with a lot of goals, so I do not understand such odds.&nbsp;Schalke plays in variable form, achieving weird and unpredictable results.&nbsp;It is obvious that it is difficult for them to deal with obligations in Bundesliga and the Champions League at the same time.&nbsp;They meet Chelsea after this game, so they need a win for self-confidence.&nbsp;On the other hand, Wolfsburg welcomes Everton in five days and also wants to win this game. Only return the topic.
Predicting the outcome of a forthcoming football match between Schalke and Wolfsburg.