See the multi-choice question below:

Sentence 1: Loyal readers will recall that last month the Shopping Avenger praised Southwest Airlines for its sterling customer service.

Sentence 2: Last months the shopping avenger praised Southwest Airlines for its good customer service.

If the first sentence is true, then is the second sentence true?
Pick your answer from: (a). yes. (b). it is not possible to tell. (c). no.
(a).