Which one of the following is the ratio decidendi of the case of Rylands v. Fletcher?
1. A person is liable if he brings on his land some dangerous thing
2. The liability arises not because there was any fault on the person but because he kept some dangerous thing on his land
3. Even if the defendant was not negligent in causing the harm, he could still be made liable under the rule
4. A person, who for his own purposes brings on his lands and keeps there anything which is likely to do mischief if it escapes, is prima facie answerable for the damage which is the natural consequence of its escape.
Which of the statements given above is/are correct?

A. 1, 2 and 3

B. 1 only

C. 2 and 3

D. 3 and 4

Answer: Option D