Combine the given two facts to write a concluding fact. Note that there should be some parts of the first and second facts that are not mentioned in this conclusion fact. Your combined fact should be the result of a chain between the two facts. Chains form when two facts connect together to produce a concluding fact. An example of a chain is: "pesticides cause pollution" (fact1) + "pollution can harm animals" (fact2) → "pesticides can harm animals" (conclusion fact). Parts of the concluding fact overlap with the first and the second fact. To construct such a  concluding fact, a useful way is to borrow the subject from one fact and the ending conclusions from another fact.

Ex Input:
Fact 1: Introns are regions that do not code for proteins. 
Fact 2: Introns are found in eukaryotes.

Ex Output:
eukaryotes have regions that do not code for proteins.


Ex Input:
Fact 1: rocks interacting with wind over long periods of time causes weathering. 
Fact 2: Rocks weather at different rates.

Ex Output:
wind affects rocks.


Ex Input:
Fact 1: Bioterrorism is another potential threat in the environment. 
Fact 2: Variola major, the virus that causes smallpox, is considered a potential bioterrorism agent.

Ex Output:

smallpox cause a threat to the environment.