Task: Text Matching
Input (English): Iijärvi - Lake ( Ristijärvi ) is a medium-sized lake in the main catchment area of Kainuu and is located in the region of Oulujoki , northern Finland .
Lake Iijärvi ( Ristijärvi ) is a medium-sized lake in the Kainuu main catchment area . It is located in the Oulujoki region , northern Finland .
Output (English): Paraphrase