Complex sentence: Similar to this is the most common form of storytelling, non-branching dialogue, in which the means of displaying NPC speech are the same as above, but the player character or avatar responds to or initiates speech with NPCs.
Split into simpler sentences: Similar to this is the most common form of storytelling, non-branching dialogue. When the player interacts with NPCs, the means of displaying the speech may be the same as above, but his/her player character/avatar responds to or initiates speech with NPCs.