Read the following extracts and decide which of them are beginnings and which are endings

There are clearly many advantages to having a neighbourhood watch scheme, but are theredisadvantages as well? [beginning|ending]

My opinion is that while it can be noisy, the many amenities make living in the city centreworthwhile. [beginning|ending]

These days, many people are renting instead of buying their own flat. This paper will discussthe benefits of rented accommodation as well as the problems of living this way. [beginning|ending]

Taking everything into account, there are both pros and cons to living as a nomad. [beginning|ending]