Answer:
The second sentence uses the definition of the word.
Explanation :
In the second sentence the subject takes a medication that makes him/her "soporific", meaning it promprs him/her to sleep. Hence, the person has to avoid driving since it can be dangerous. In the rest of the example there is no logical connection between the noun affected by "soporific" and the predicate: in all the other cases the effects stated are those of excitement, accelaration, and enhancement.
A. They can undo complicated bolts on gates.
Bold is like your very confident in what your doing
Ana punched the school bully.
The criminal lies to the police officer.
Your answer would be A. Their attitude