See the multi-choice question below:

Sentence 1: But it wasn't until 1924, with the first Winter Olympic Games at Chamonix, that skiing ' at the time only crosecountry ' attracted international attention.

Sentence 2: The first Winter Olympic Games were held at Chamonix in 1924.

If the first sentence is true, then is the second sentence true?
Select from the following. a). yes b). it is not possible to tell c). no
a).