1). a prism;
2). LEDs;
3). barrel;
4). grow;
5). complex;
6). Flowers;
7). Grow well;
8). orchids;

Fact 1: Adult tunicates are barrel-shaped. Fact 2: Bulbs are classifies as tunicate or non-tunicate. Given the two facts above, bulbs can be classified as what shape?
Answer:
3).