See the multi-choice question below:

Sentence 1: She works in the Red Cross Hospital at Tadminster, seven miles away." As he spoke the last words, we drew up in front of the fine old house.

Sentence 2: She doesn't work for the red cross.

If the first sentence is true, then is the second sentence true?
Choices: [I] yes [II] it is not possible to tell [III] no
[III]