I prefer pragmatic, but sure.

[ Optimistic is too soft a term! Either way, he pauses to check on the water before answering. ]

It was an effect of the mansion or something our kidnapper did to us, as far as I could tell. Everyone in our group of five woke up with no memories and a cellphone in our pockets which was used to communicate with our captor. As for acquaintances.... we didn't seem to have any relation to each other but—oh, I still have the cellphone actually, if you think it's worth looking at.