Revise the following sentences, using parentheses and brackets correctly. Example:
The committee was presented with three options to pay for the new park: 1 increase vehicle registration fees, 2 install parking meters downtown, or 3 borrow money from the reserve fund.
Some hospitals train nurses in a pseudoscientific technique called therapeutic touch TT that has been discredited by many rigorous studies.
Because I was carrying an umbrella, which, as it turned out, wasn’t even necessary, I was required to enter the stadium through the high-security gate.