In the negotiations over the past two years, it is understandable that table 2 union members had no hesitation using their right to strike, which they had obtained on December 16, 1998. So, in a perfectly legal context, the union is exercising its means of pressure by holding rotating strikes across the country since January 18.
Does this next sentence follow, given the preceding text?
The union ended strikes in January

OPT:
 --Yes
 --It's impossible to say
 --No
No