A DSD may be additionally overwhelming because of the rareness of these conditions and the possible initial uncertainty about gender, as well as how to explain this to family and friends. (mottchildren.org)
After initial uncertainty and some opposition, the transition to unleaded fuels proved both remarkably easy, and effective. (dotearth.blogs.nytimes.com)
Perhaps many Christians shared my son's initial uncertainty since hearing of bin Laden's demise. (firstthings.com)