Suppose The Nile River is a major north-flowing river in northeastern Africa and is commonly regarded as the longest river in the world, though some sources cite the Amazon River as the longest. The Nile is an important water source for various countries in Africa, including Egypt, Sudan, and Ethiopia. It has played a crucial role in the development of ancient civilizations like Egypt and continues to be vital for agriculture and transportation in the region.
Can we infer that "The Nile River only flows southward."? Yes, no, or maybe?