Input (grade 9): Feni River (Bangla: à "à à à à à à Feni Nodi) is a river in the Indian state of Tripura and southeastern Bangladesh.
Output (grade 11): Feni River (Bangla: à "à à à à à à Feni Nodi) is a river in the Chittagonian Plains of Bangladesh in the south and eastern of the nation-state.