Reconstruct a question, answer pair from this explanation: To answer this question, we should know that: The black shield represents Nigeria's fertile soil, while the two supporting horses or chargers on each side represent dignity.
Q:Context: The coat of arms of Nigeria consists of a black shield with a wavy white pall, symbolizing the meeting of the Niger and Benue Rivers at Lokoja. The black shield represents Nigeria's fertile soil, while the two supporting horses or chargers on each side represent dignity. The eagle represents strength, while the green and white bands on the top of the shield represent the rich soil.

Question: two horses on the nigerian coat of arm represent?
A:dignity