Read the following statements carefully:
1.As a special initiative to mark World Toilet Day, Central Railway (CR) department has announced to introduce e-toilets in the railway coaches for the first time.
2.The e-toilets electronically integrate all the toilet functions.
3.These toilets are fully unmanned and perform automated operations. Pressure nozzles have also been attached to these toilets to make flushing easier.
Which of the above statements is/are correct?