Consider the GNN we reviewed in the polypharmacy application. Which of the following statements is$/$are true?

To compute the embedding of a drug$-$node v at a certain layer of the GNN we need a different matrix of parameters for each neighbor of v$.$

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To compute the embedding of a drug$-$node v at a certain layer we need a different matrix of parameters for each type of edge that v connects to$.$

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We cannot compute the embedding of a drug$-$node v at layer$-$k if we do not know the target proteins of v$.$

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Suppose that we know the target proteins of a drug v $$ but we do not know any side$-$effects caused by the interaction of v with other drugs. We can still compute the embedding of v$.$

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