Problem: Context: The substances that our company uses do not leave stains, do not have an unpleasant smell and are not toxic.
Our substances remove stains.
A: no

Problem: Context: Eric Gurr, creator of U4Prez.com, says you shouldn't be fooled be the site's MySpace-like facade. "It's all about the politics," he says. "I think most of our users have accounts on MySpace and Facebook, and use U4prez strictly for the political dialogue." Wikinews conducted an email interview with Gurr, in which he discussed how the site works, how the Internet has affected politics, and who he is endorsing for President.
Facebook and MySpace were invented by Eric Gurr.
A: no

Problem: Context: Six hostages in Iraq were freed.
The four Jordanian hostages, kidnapped about a week ago, were freed.
A: no

Problem: Context: Alex Da Silva, a salsa dance instructor and choreographer for Fox's "So You Think You Can Dance," was arrested Saturday on suspicion of sexually assaulting four of his students, according to a statement from the Los Angeles Police Department. Da Silva, 41, is accused of assaulting the students in his two homes in the San Fernando Valley over the last six years, police said. He is being held in lieu of $3.8 million bail. Authorities said the four victims were all students of Da Silva at the time of the assaults.
Alex Da Silva is a student of salsa dance.
A:
no