context: Submarine location is water. Valley location is mountainous region. Submarine location is not railway station. Submarine location is not fence in area. 100 year location is body part. River location is valley. Water location is river. Submarine is capable of travel underwater. Your dinner cook in oven location is not mountainous region. Your dinner cook in oven location is not body part. Mountain location is mountainous region.
text: River location is valley.