Problem: But you can't say when you walk into a classroom, you're not teaching. And if that's what's happening in the Dover school system and my children are in that school system, that they're routinely establishing practices that is not teaching in the classroom, then that's shameful.

Based on the paragraph above can we conclude that "Not teaching in the classroom is what's happening in the Dover school system."?

A: It's impossible to say

Problem: ISLAMABAD, PakistanMilitants attacked the Chinese consulate in the southern city of Karachi on Friday, killing two police officers, Pakistani authorities said, adding that Chinese diplomatic staff inside were unharmed. The attackers, armed with guns, grenades and at least one suicide jacket tried but failed to get inside, according to officials. Different officials described the number of attacks as between two and four. The assault started about 9.30 a.m. local time. ...

Based on the paragraph above can we conclude that "they were armed with guns and no grenades"?

A: No

Problem: A man walks past an electronic stock board showing Japan's Nikkei 225 index and other country's index at a securities firm in Tokyo Monday, Sept. 3, 2018. Asian shares were mostly lower Monday amid worries about escalating trade friction between the U.S. and Canada, who have been unable to agree to a revamped trade deal but will continue negotiating this week. Eugene Hoshiko AP Photo

Based on the paragraph above can we conclude that "The friction between the US and Canada is escalating."?

A:
Yes