Where am I, anyhow, Nema?  The girl dumped an armload of clothing on his bed and looked at him with controlled exasperation.
"I know where I am" he said. 
mnli hypothesis: "I know where I am" he said.  premise: Where am I, anyhow, Nema?  The girl dumped an armload of clothing on his bed and looked at him with controlled exasperation.