She said good morning to Alice and Alice said hallo. She was thin and rather tall with a very lined gentle face and hair that was white but which Alice could see had once been blonde. She could also have told this was Tina's mother before Mrs Darne went off down the passage that led to the Headmaster's Flat.
Multi-choice question: Can we infer the following?
this was Tina's mother

Choose your answer from:
[I] Yes
[II] No
[III] It's impossible to say
[I]