Please capitalize where necessary: but the basic fact is that these mathematicians had not really tested and never discovered that in all text, because they are created by human beings - and of course more clearly exhibited in longer texts - there is to be found code-like combinations, patterns open for in principle any interpretation.
A: But the basic fact is that these mathematicians had not really tested and never discovered that in all text, because they are created by human beings - and of course more clearly exhibited in longer texts - there is to be found code-like combinations, patterns open for in principle any interpretation.

Please capitalize where necessary: the capital ljubljana is quite small but very charming.
A: The capital Ljubljana is quite small but very charming.

Please capitalize where necessary: minister of business and growth, ole sohn, says:
A: Minister of Business and Growth, Ole Sohn, says:

Please capitalize where necessary: the special wheelbarrow made of an old oilbarrel.
A:
The special wheelbarrow made of an old oilbarrel.