Identify the odd one out with respect to suicidal behaviour.

The correct answer is Option (2) → Difficulty in sustaining attention

Option (1) Difficulty in problem-solving — Incorrect. Suicidal behaviour often points to difficulty in problem-solving. The person cannot find another way out of a hard situation.

Option (2) Difficulty in sustaining attention — Correct. This is the odd one. Difficulty in sustaining attention belongs to inattention in ADHD, a neurodevelopmental disorder, where a child finds it hard to keep mental effort on work or play. It is not one of the three difficulties that suicidal behaviour indicates.

Option (3) Difficulty in stress management — Incorrect. Suicidal behaviour often points to difficulty in managing stress. Suicidal thoughts grow stronger under acute emotional and other distress.

Option (4) Difficulty in emotional expression — Incorrect. Suicidal behaviour often points to difficulty in expressing emotions. The person finds it hard to let feelings out in a healthy way.