Fact 1: Trees have woody stems covered with bark.

Fact 2: Pines in general are popular trees.

Given the two facts above, answer the question "What has a woody stem covered with bark?" with the following options: 
- Aloe
 - Cacti
 - bamboo
 - bushes
 - Pines
 - Ferns
 - apple
 - elms


 

     Pines    