Answer: Insight learning
Explanation: In learning theory, there is the so-called insight learning, where the problem is solved directly and clearly, without some repeated testing or without errors. In this case, Lisa recognized the solution very quickly, probably based on some of the associations and relationships between settings and actions within the problem, which she recognized, which helped her solve the problem.
Mother's day is on different days in different countries - and in the US it's always on Second Sunday in May, which in 2016 is May 8th.
In some other countries it's on other days: for example it's always on 10th May in Mexico or first Sunday in May (Spain and Hungary, for example)
I believe it's all of the above. Hopefully this helps!