it's a symbolic poster. there is black color(upper part of capsule is the symbol of poor people who can't pay for healthcare) and white for rich people who can easly pay for healthcare thus capsule divided into equal part for there equal right.
This poster belong to
Right to healthcare

poster for tomorrow, the international poster competition, is proud to announce the launch of its 2015 edition: Open Up! Universal access to healthcare now!
Every year poster for tomorrow chooses a basic human right to address. In 2015 it’s the universal right to healthcare