In which of the following cases, the offence of 'house-breaking' is committed?

A commits house-trespass by entering Z's house through the door, having lifted a latch by putting a wire through a hole in the door

A finds the key of Z's house-door, which Z had lost, and commits house-trespass, by entering Z's house through that key

Z, the doorkeeper of Y, is standing in Y's doorway. A commits house trespass by entering the house, having deterred Z from opposing him by threatening to beat him