Add spaces: Whereupon,indignifiedsilence,theprocessionmarchedaroundandbackuptheNevsky,alwaysincolumnoffours.

Answer: Whereupon, in dignified silence, the procession marched around and back up the Nevsky, always in column of fours.

Add spaces: Price:Seepriceoffset

Answer: Price: See price offset

Add spaces: Wherefoodsinvolvinggeneticallymanipulatedorganisms(GMOs),cloningandnanotechnology('novelfoods')areconcerned,theCommissionfavoursresponsibleinnovation.

Answer:
Where foods involving genetically manipulated organisms (GMOs), cloning and nanotechnology ('novel foods') are concerned, the Commission favours responsible innovation.