Grizzly bears are omnivores.
You didn't provide examples, but sound reasoning is when you use logically sound thinking and combine it with factual knowledge. These two combined create a sound argument.
Answer:
1) Curious cat
2) Dangerous Lion
3) Dead man
4) Eager John
5) Childhood Memories
6) Easy question
7) Disastrous Monster
8) Electric switch
9) Accurate answer
10) Accidental meeting
11) Abundant Water
12) Distant city
13) Constructive Manner
14) Confident Student
15) Competitive Politicians