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$$‘P + Q’$$ means $$‘P$$ is the brother of $$Q’$$.
$$‘P - Q’$$ means $$‘P$$ is the sister of $$Q’$$.
$$‘P \times Q’$$ means $$‘P$$ is the father of $$Q’$$.
Which of the following means $$‘C$$ is the son of $$G’$$?