See the multi-choice question below:

Sentence 1: In Thorn's vision Jon saw Vrenna beginning her dance, parrying at her opponent's wrist instead of crossing blades.

Sentence 2: Vrenna does not cross blades with her opponent.

If the first sentence is true, then is the second sentence true?
Available options:
(1). yes;
(2). it is not possible to tell;
(3). no;
(1).