stances of <a
            href="./context-vocab.html#Obligation">#$Obligation.</a>
            Instances of <a
            href="./agreement-vocab.html#Agreement">#$Agreement</a> and
                <a
            href="./context-vocab.html#Obligation">#$Obligation</a>
            differ, however, in that an #$obligatedAgent is responsible
            for the truth of all of the propositions over which the
            obligation holds. In an <a
            href="./agreement-vocab.html#Agreement">#$Agreement