Which of the following conditions guarantees that a relationship is non-proportional?

The graph passes through the point $(1, 1)$.

The graph is a curve that passes through the origin.

The graph passes through the origin $(0,0)$.

A graph is a straight line that passes through $(2, 1)$ and $(4, 2)$. Which statement accurately describes the relationship?

It is proportional because it is a straight line.

It is non-proportional because it is not a straight line.

It is proportional because it passes through the origin.

It is non-proportional because it does not pass through the origin.