Thomasina's mouth twisted wryly. "Oh, is sociable the word we're using for it now?" she said, her mouth opening in an affected 'o' of surprise. "I wasn't aware; thank you for informing me." If one was solely focusing on her tone, they might have thought she was being genuine — the mockery was in the exaggerated surprise on her face, and the words themselves.
She was sure that Mr. Dempsey would be able to tell. He usually could.
She was sure that Mr. Dempsey would be able to tell. He usually could.