Original: However , unlike truly random selection methods , rock-paper-scissors can be played with a degree of skill , especially if the game extends over many sessions with the same player ( s ) ; it is often possible to recognize and exploit the non-random behavior of an opponent .
Simplified: However , unlike truly random selections , it can be played with skill if the game extends over many sessions , as a player can often recognize and exploit the non-random behavior of an opponent .