Problem: Text: Reduction in flow caused by dams, diversions, water for thermoelectric power stations, and evaporation losses from reservoirs -- the latter of which consumes more than 15 percent of the river's natural runoff -- has had severe ecological consequences in the Colorado River Delta and the Gulf of California. Historically, the delta with its large freshwater outflow and extensive salt marshes provided an important breeding ground for aquatic species in the Gulf. Today's desiccated delta, at only a fraction of its former size, no longer provides suitable habitat, and populations of fish, shrimp and sea mammals in the gulf have seen a dramatic decline. Since 1963, the only times when the Colorado River has reached the ocean have been during El Nino events in the 1980s and 1990s.

Question: does the colorado river make it to the ocean?
A: no

Problem: Text: The signage for advisory speed limits is not defined by the Vienna Convention on Road Signs and Signals, and is therefore not standardised internationally. The United States uses a small yellow sign under the main warning sign, as well as a standalone variation on the standard speed limit sign, with a yellow background instead of a white one, the words ''speed limit'' omitted and an additional panel stating the type of hazard ahead. Though they list speeds, the U.S. advisory speed signs are classified as warning signs, not regulatory signs, as primary speed signs are. Australia uses a similar design as the U.S. in spite of regulatory speed limit signs being quite different. Germany used a square sign with a blue background and white lettering, similar to the minimum speed limit sign, and New Zealand uses a yellow background with black lettering (similar to the Australian design without the ''km/h'' lettering). The United Kingdom currently uses an oblong white rectangle with black lettering stating ''Max Speed''.

Question: do you have to follow yellow speed limit signs?
A: no

Problem: Text: The Elongated Man's powers also greatly augment his durability. He is largely able to withstand corrosives, punctures and concussions without sustaining injury. It has been demonstrated that he is resistant to high velocities that would kill an ordinary person and that he is also more resistant to blasts from energy weapons that would kill ordinary humans. His physiology is more like that of an ordinary human than Plastic Man and as a result he does not share Plastic Man's nigh invulnerability.

Question: are elongated man and plastic man the same?
A:
no