Write a question about the following article.

Here 's how this experiment was actually conducted . I took 25 pages of different sizes ( from 45 KB to 4151 KB ) and inserted unique , non - existent keywords into each page at 10 KB intervals ( that is , a unique keyword was included after each 10 KB of text ) . These keywords were auto - generated exclusively for this experiment and served as " indexation depth marks " .

Question:
What may be a plausible fact about the experiment ?
Choices: 1). The experiment was conducted on my smartphone .; 2). The experiment was conducted on a computer .; 3). The experiment was conducted on stage .; 4). The experiment was conducted outside .;