The scenario from question 15 proves that G3 and H3 can be empty. E is the only answer that has those two spots listed. E is CORRECT.
Using past scenarios can really help speed you up on this type of question.
Another trick is to use limiting factors. If you find that H3 can be empty, then any answer without H3 is wrong.
Here are some scenarios that prove the other spots can be empty.
Scenario 1 proves that G1 could be empty. Q can go in the third spot.
This next scenario proves that H1 can be empty.
Want a free Logic Games lesson?
Get a free sample of the Logic Games Mastery Seminar. Learn tips for going faster at logic games