Task: Text Matching
Input (English): Sentence1: The Infineon case began in August 2000 , when Rambus accused Infineon of patent infringement and Infineon counter-sued Rambus for breach of contract and fraud ., Sentence2: At that time , Rambus accused Infineon of patent infringement and Infineon countersued Rambus for breach of contract and fraud .
Output (English): Yes