The correct answer is: A. Poor : Hunger
Garbage and squalor are both associated with filth and uncleanliness. Poor and hunger are both associated with poverty and lack of resources. Diamond and magnificence are both associated with beauty and splendor. Colour and brush are both associated with art and creativity. Dirtiness and cleanliness are opposites, but they do not have the same relationship as garbage and squalor.
Garbage is a type of waste that is often associated with filth and uncleanliness. Squalor is a state of being dirty and unkempt. Poor is a state of being lacking in money or material possessions. Hunger is a state of being deprived of food. Diamond is a precious stone that is often associated with beauty and splendor. Magnificence is a state of being grand and impressive. Colour is a property of light that is often associated with art and creativity. Brush is a tool that is often used to apply paint or other substances.