Problem: The introduction of the euro has dismantled barriers to cross-border trading and enhanced risk sharing and opportunities for diversification.

Based on that paragraph can we say the following?
The introduction of the euro has been opposed.
****
Answer: no

Problem: More than 150 dolphins, marine turtles and beaked whales have been washed up dead on beaches in Africa.

Based on that paragraph can we say the following?
Dead dolphins, turtles and whales have been found on African beaches.
****
Answer: yes

Problem: WASHINGTON -- A newly declassified narrative of the Bush administration's advice to the CIA on harsh interrogations shows that the small group of Justice Department lawyers who wrote memos authorizing controversial interrogation techniques were operating not on their own but with direction from top administration officials, including then-Vice President Dick Cheney and national security adviser Condoleezza Rice. At the same time, the narrative suggests that then-Defense Secretary Donald H. Rumsfeld and then-Secretary of State Colin Powell were largely left out of the decision-making process.

Based on that paragraph can we say the following?
Dick Cheney was the Vice President of Bush.
****
Answer: yes

Problem: Mr Lopez Obrador, who lost July's presidential election by less than one percentage point, declared himself Mexico's "legitimate" president.

Based on that paragraph can we say the following?
Mr Lopez Obrador didn't loose the presidential election in July.
****
Answer:
no