[Basil dredges up a laugh. It comes out more like a verbal, fundamentally unnatural “Ha ha” than anything actually resembling a chuckle.]
Y-yeah, that’s right… I guess they're not all mindless. [He starts wringing his hands.] Actually, it’s… a little hard to tell, isn’t it? S-sometimes.
[What they are. If they’re alive.]
Other options:
no subject
[Basil dredges up a laugh. It comes out more like a verbal, fundamentally unnatural “Ha ha” than anything actually resembling a chuckle.]
Y-yeah, that’s right… I guess they're not all mindless. [He starts wringing his hands.] Actually, it’s… a little hard to tell, isn’t it? S-sometimes.
[What they are. If they’re alive.]