Events

1. The company introduced mandatory safety checks before machinery was used.
2. The number of machinery-related incidents fell over the next six months.

Question

What is the best judgment?

Answer

Event 1 may have contributed to event 2.

Explanation

1. Safety checks can prevent unsafe equipment from being used.
2. The later reduction in incidents supports a possible connection.
3. Other changes could also have contributed, so direct proof is not available.