Statement: The management of XYZ Pvt. Ltd. asked the workers' union to call off strike immediately otherwise the management would be forced to close down the factory.
Assumptions:
1. No alternative other than closing down the factory is left for the management of XYZ Pvt. Ltd
2. Such threat may have some effect on the workers' union.
Answer: B
Such a warning is usually given to the workers to threaten them that they would lose their job and income forever if they didn't mend their ways. So, only II is implicit.