Task: Text Completion
Input (English): There are two people dressed in yellow shirts playing table tennis in a finished basement. there <sep> (A) are three people seated on sofas next to them watching soccer television. (B) are an orange and red playing table throwing a ball back and forth to each other over the net. (C) are some others playing table tennis in the gym. (D) are two groups of people wearing orange shirts playing table tennis in a completed gymnasium.
Output (English): A