The biggest problem with wind power is that it only produces electricity whilst the wind is blowing.
(the wind; is blowing; ) (The biggest problem with wind power; is; that it only produces electricity whilst the wind is blowing) Context(The biggest problem with wind power is,List([0, 38))):(it; only produces; electricity; T:whilst the wind is blowing)
The biggest problem with wind power is,List([0, 38))
the wind The biggest problem with wind power it
is blowing is only produces
that it only produces electricity whilst the wind is blowing
electricity T:whilst the wind is blowing