Complex sentence: Figures (a)--(c) on the right show three examples of dominating sets for a graph: each white vertex is adjacent to at least one red vertex; it is said that the white vertex is "dominated" by the red vertex.
Split into simpler sentences: Figures (a)--(c) on the right show three examples of dominating sets for a graph. In each example, each white vertex is adjacent to at least one red vertex, and it is said that the white vertex is "dominated" by the red vertex.