Although at first glance it might appear that they represent a clear choice between selfishness and generosity, these two sites and the underlying issues they address, are inextricably linked.
These two sites have no linked underlying  issues.
mnli hypothesis: These two sites have no linked underlying  issues. premise: Although at first glance it might appear that they represent a clear choice between selfishness and generosity, these two sites and the underlying issues they address, are inextricably linked.