Difficulty: Easy
Correct Answer: Neither Conclusion I nor II follows
Explanation:
Given data
Concept/Approach
 Two separate "some" overlaps via a middle set do not compel dogs and cats to overlap; the overlapping bats could be different individuals. 
Evaluation
 Both I and II are mere possibilities, not necessary conclusions. Hence neither follows. 
Final Answer
 Neither Conclusion I nor II follows 
Discussion & Comments