And so there was an assumption that our common ancestor with them would have been something that also walked that way.

VOA: standard.2009.12.24

The original missile defense policy was based on the assumption that Tehran was seeking a long-range capability.

VOA: standard.2009.09.17

But another report has cast doubt on the second part of that assumption.

VOA: standard.2010.05.20

Now,it seems sensible to assume that that assumption could be wrong.

VOA: standard.2010.04.16

"In our pandemic work, we were really focusing on the avian influenza, mostly in Asia and Africa, so the assumption that the next pandemic would start overseas, far from the U.S., turned out not to be true."

VOA: standard.2010.04.29