Problem: US Secretary of Defense James Mattis prepares to welcome Vice President Mike Pence to the Pentagon in Arlington, Virginia, on Thursday, Dec. 20. EFE-EPA/Erik S. Lesser US President Donald Trump announced Thursday that Gen. James Mattis will leave the post of defense secretary. "General Jim Mattis will be retiring, with distinction, at the end of February, after having served my Administration as Secretary of Defense for the past two years," Trump wrote on Twitter.

Based on the paragraph above can we conclude that "US President Donald Trump has worked with James Mattis before he became defense secretary."?

A: It's impossible to say


Problem: Cyclamen repandum, the spring sowbread, is a species of flowering plant of the family Primulaceae, native to southern Europe and some Mediterranean islands. It is the most widespread of a group of cyclamens (genus "Cyclamen" subgenus "Psilanthum") with wide, heart-shaped leaves, often coarsely toothed or lobed, and late spring-blooming flowers with long, slender petals.

Based on the paragraph above can we conclude that "Cyclamen flowers outside of the winter time."?

A: Yes


Problem: The first priority has to be on ending the violence, dampening down the tensions that have arisen there. We need to call upon Syria to release the three Israeli soldiers who have been captured. We need to insist that Arafat send out instructions to halt some of the provocative acts of violence that have been going on.

Based on the paragraph above can we conclude that "Syria refuses to release the prisoners"?

A:
It's impossible to say