During desequilibrium supply is less than demand or supply is greater than demand.
The market is experiencing a disequilibrium when the market price is above or below the equilibrium price, so disequilibrium refers to the moment when the quantity of supply does not equal the quantity of demand. So that, during disequilibrium supply is less than demand, which would result in shortage or supply is greater than demand as well and would lead to surplus.
So, option 2 and 4 are the correct ones.
