input question: Fix spacing: Chat4-Reducingenergyconsumptioninbuildings:Howplasticshelp?

output answer: Chat 4 - Reducing energy consumption in buildings: How plastics help?

input question: Fix spacing: Roster(Lastchange:2015-01-24)

output answer: Roster (Last change: 2015-01-24)

input question: Fix spacing: 3yearsago09:59xHamsterstrip,instruction,teacher

output answer: 3 years ago 09:59 xHamster strip, instruction, teacher

input question: Fix spacing: TransferfromBraintreetoLondonPaddington(TRQQP)Trainstation

output answer:
Transfer from Braintree to London Paddington (TRQQP) Train station