What is the fine-grained topic of the following text: Whether it was the communication barrier starting to rear its ugly head, or just Chu “Shadow” Zeyu recovering from the effects of the food poisoning he suffered earlier in the tournament, Team Liquid are starting to look more like a team playing with a stand-in. Only return the topic.
Team Liquid's performance in a tournament due to Chu "Shadow" Zeyu's food poisoning and communication issues.