 
 <translate> Only by signing, a contract becomes valid. A contract has to be signed. So the final answer is signed. <ibo> Naanị site n'ịbịanye aka, nkwekọrịta na-adị irè. A ghaghị ịbịanye aka n'akwụkwọ nkwekọrịta. Ya mere, e debanyere aha azịza ikpeazụ. 