Question: Waste in the ponds produced by leaching gold from ore is a source of potential environmental dangers.

Mine waste-water poses an environmental hazard.

OPTIONS:
- yes
- no
Answer: yes
Question: Shares of Salesforce closed Wednesday at $17.20, more than 50% above their offering price.

Salesforce shares were more than 50% above their offering price of $17.20.

OPTIONS:
- yes
- no
Answer: no
Question: A statement issued by Royal Moroccan Airlines, a copy of which was received by Agence France Presse today, said that the company decided to start two flights a week between Casablanca and Gaza as soon as the Palestinian airport is opened there.

With the opening of the Palestinian airport, Royal Moroccan Airlines will fly between Casablanca and Gaza.

OPTIONS:
- yes
- no
Answer:
yes