Let $T$ be a lattice triangle in $\Bbb R^2$. Is it always possible to find a point $p\in T\cap \Bbb Z^2$ satisfying the following condition:

(*) $\operatorname{conv}(p,v)\cap \Bbb Z^2 = \{p,v\}$ for every vertex $v\in T$, where $\operatorname{conv}$ is convex hull.

For example: In this picture:

$p=D$ works, whereas in this picture:

$p=D$ does not work because the line segment $DC$ passes through $E$.