Add punctuation: The remarkable thing and what makes it so hard to describe my Tibetan experiences is nonetheless the way the physical and mental challenges has played tricks on me phychologically
A: The remarkable thing and what makes it so hard to describe my Tibetan experiences is, nonetheless, the way the physical and mental challenges has played tricks on me phychologically.

Add punctuation: Product details Dino Cars GoKart additional seat
A: Product details: Dino Cars GoKart additional seat

Add punctuation: Smooth it neatly cover with clingfilm and put the cake in the refrigerator an hour or two
A:
Smooth it neatly, cover with clingfilm and put the cake in the refrigerator an hour or two.