Answer:
[1] The children are naive and immature
Explanation:
Manipulative is try to affect someone feeling or reaction to get them to act or feel a particular way. In Additionally, make you feel irrational and more likely to give in to their requests. For example: Guilt or Complaining. While, cruel is willfully causing pain or suffering to others, or feeling no concern about it.
Naive is act (of a person) natural and unaffected; innocent. While immature is like being childish.
The children are to young to understand if a adult (man) is in danger or not.
Thus, the best answer is [1] The children are naive and immature.
~Lenvy~