Mrs. Vandemeyer was expecting a guest to dinner, and Tuppence accordingly laid the beautifully polished table for two.
Tuppence was not joining Mrs. Vandemeyer and her guest for dinner.
mnli hypothesis: Tuppence was not joining Mrs. Vandemeyer and her guest for dinner. premise: Mrs. Vandemeyer was expecting a guest to dinner, and Tuppence accordingly laid the beautifully polished table for two.