Complex sentence: Anti-social behaviour (with or without hyphen) is a behaviour that lacks consideration for others and may cause damage to the society, whether intentionally or through negligence, as opposed to pro-social behaviour, behaviour that helps or benefits the society.
Split into simpler sentences: Anti-social behaviour (with or without hyphen) is behaviour that lacks consideration for others and may cause damage to the society, whether intentionally or through negligence. This is opposed to pro-social behaviour, which is behaviour that helps or benefits the society.