[Q]: A variety of devices could be powered selectively from a single-power source carried on the body via multiple power supply signals at different frequencies, according to the patent abstract. Although not mentioned in the excerpt, this product makes use of nuclear energy, and as such we will not know the severity of the effects it will have on our health until later. 
[A]: It's impossible to say

[Q]: A woman who was allegedly stabbed in the neck overnight in Rockingham has died in hospital. It's understood the woman was injured late on Saturday evening at an unknown location. The restaurant where the woman was found. Credit:Texas Reeks The woman is believed to have then driven herself to Dome Cafe on the Rockingham Esplanade for assistance. She was then taken to Fiona Stanley Hospital via St John Ambulance, but later died as a result of her injuries.  St John Ambulance took the stabbed woman to hospital. 
[A]: Yes

[Q]: Hot towel<br>I went to the barber shop for a general hair cut. The barber noticed I had a beard. He suggested that I get the hot towel treatment. I went with it and it felt great. I always get the hot towel treatment from now on. the hot towel treatment takes at least 30 minutes
[A]: It's impossible to say

[Q]: Nausikaa Lake is a lake in geographic Lee Township in the Unorganized West Part of Timiskaming District, in northeastern Ontario, Canada. The lake is in the Saint Lawrence River drainage basin and the nearest community is Sesekinika, 5 km to the east. It is named for Nausicaa, a greek princess in Homer's "Odyssey" Nausikaa lake never freezes.
[A]:
It's impossible to say