input: What would be the optimum survival characteristics of various life forms They would have to have various fundamental characteristics differing from one species to the next just as one environment differs from the next
fixed: What would be the optimum survival characteristics of various life forms? They would have to have various fundamental characteristics, differing from one species to the next just as one environment differs from the next.

input: 18 Nutmeg proves antidepressant activity
fixed: 18. Nutmeg proves antidepressant activity.

input: If there is not enough players joined to cover the prize pool of the tournament the poker room pay the remaining amount which makes the online poker tournament extra attractive to play in
fixed: If there is not enough players joined to cover the prize pool of the tournament, the poker room pay the remaining amount which makes the online poker tournament extra attractive to play in.

input: The rest of the players try to score in the goal
fixed:
The rest of the players try to score in the goal.