I am currently taking a plc class which uses the logixpro software that contains a door simulation program which asks for the following; A supplemental program if the door is opening then pressing the close switch will immediately halt movement and remain halted and vice versa if the door is closing using the latch, unlatch instructions I have tried doing this several different ways and nothing I try seems to work could someone familiar with this exercise (#4) help me please because my instructor couldn't.