Complex sentence: Persecutory delusions, also known as querulant delusions, are the most common type of delusions and involve the theme of being followed, harassed, cheated, poisoned or drugged, conspired against, spied on, attacked, or obstructed in the pursuit of goals.
Split into simpler sentences: Persecutory delusions, also known as querulant delusions, are the most common type of delusions. The persecution may involve the theme of being followed, harassed, cheated, poisoned or drugged, conspired against, spied on, attacked, or obstructed in the pursuit of goals.