Read the dictionary definition for the word amend. Amend verb: to change for the better. Based on this definition, in which sentence is the word amendment used correctly?
1) The room is too full and needs an amendment to the furniture.
2) We cannot handle the workload without the amendment.
3) The crowd could not get into the building without an amendment to the gates.
4) We signed the amendment to the contract once the terms had been approved.