But foundation officials say making "Spiral Jetty" more accessible is especially complicated.
Health care is especially complicated to purchase because it's consumed differently from just about everything else.
It is one of the 18 rooms in the Head House, and their renovation is especially complicated.
The issue is especially complicated when the imitation serves a political purpose, entitling it to the protection of the First Amendment.
The case is especially complicated because Mr. Silverstein took control of the office complex at the trade center only six weeks before the terrorist attack.
And because he is China's most renowned director, with credits that include "Raise the Red Lantern and House of Flying Daggersrs," his own situation is especially complicated, he added.
"He said, 'He's supposed to do that.' " Michael Lynn, an associate professor of consumer behavior at Cornell University's School of Hotel Administration, who studies tipping, said holiday tipping is especially complicated because there are no standard rates.
Many such programs focus on "dual eligibles" — nine million people who qualify for both Medicare and Medicaid, are especially complicated to treat and account for a disproportionate share of spending.
It is especially complicated for TV, given that most people already pay for TV through their cable or satellite service — and they can watch most network shows free on streaming sites like Hulu, albeit with advertisements.
