How you answer questions depends on many factors. Example what type of situation is it. Are you working with your colleague or talking with your boss. Are you doing an interview with the media or announcing a breakthrough with your business.
Most people have told me that they worry the most when it is the media, because embarrassing or damaging answers could end up on public display. However, the reality is the most reporters are not out to get people, they are just looking for the facts behind the story.
Sometimes it can be difficult to state your answers because each person has their own agenda of things that they would like to accomplished or have answered.
It is important in these situations to remain calm. When you are stressed out or upset, you literately shut off your thinking cells.
If you use the example of a manufacturing company looking at moving or upgrading their facility and media has heard they are shutting down, putting the employees out of work, we can look at different scenarios.
Many people find yes / no questions very annoying or upsetting because in either case it can be very misleading. For example, if they asked, are you closing down the plant? and you answered with a yes, that sounds permanent and possibly putting many people out of work. Where as it may be temporary to accomplish some upgrades or maybe you are relocating to a more efficient location.
If you are being asked yes or no questions that could be misleading, there are ways you can answer with an explanation without looking like you are making excuses.
A couple of examples would be;