'She choked! She choked on...' *spoiler*
...her own wickedness!'
I didn't understand how exactly Mrs. Rudge killed her daughter. Didn't she say she choked on some food? Then she mentioned something about clapping her hand over her mouth.
So Olivia was already choking on the food, and Mrs. Rudge kept her from spitting it out/coughing it up?
"I'd say this cloud is Cumulo Nimbus."
"Didn't he discover America?"
"Penfold, shush."