sentence1: "International adoption can actually exacerbate the problem it hopes to solve," said Dominic Nutt, Save the Children's UK spokesman. "The very existence of orphanages encourages poor parents to abandon children in the hope that they will have a better life." While no one accuses Madonna of doing anything illegal in adopting the 4-year-old girl, reportedly named Mercy, there are questions nonetheless about how Madonna is able to navigate Malawi's 18-to-24 month vetting period in just a matter of days or weeks. But the larger issue, child-rights advocates say, is whether international adoptions are in the best interests of the child.
sentence2: Madonna is 50 years old.