by jayajohn
You can play the Prologue more than once to try out different sets of characters and see what works best for your group.Though I realise the OP was asking about 4 players, our group of 3 played twice to try all characters and settled on Farmer, Labourer and Radio Operator as our preferred jobs. I've seen the Radio Operator praised in other threads. Depends on you.
Of course Select Characters is step 8 of game setup, so you can adapt your choices to your current starting situation.