A PLC has three inputs, and one output. Inputs X1 and X2 are normally open push button switches. X3 is a normally closed push button switch. Output Y1 is a coal of the control cause of a meat grinder motor. For safety, the PLC is to be programmed so that a person must be pressing both X1 and X2 in order to start the grinder. The grinder remains running case both button we pressed and released. The grinder is to stop if X3 is momentarily pressed. Write the truth able and draw the PLC ladder diagram.