Select the correct direct form of the given sentence.
The traffic police advised the pedestrians to be careful while crossing the road.
1
The traffic police said, "Please be careful when crossing the road."
2
The traffic police said, "We advise pedestrians to be cautious while crossing the road."
3
The traffic police said to the pedestrians, "Be careful while crossing the road."
4
The traffic police said to the pedestrians, "Be careful while to cross the road."
5
Not Attempted