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: Monotremes are mammals that reproduce by laying eggs. 
Fact 2: Like the platypus, an echidna is an egg laying mammal.

Ex Output:
Platypus are monotremes.


Ex Input:
Fact 1: a barometer is used to measure air pressure. 
Fact 2: Uses Elemental mercury is used in thermometers, barometers, and pressure-sensing devices.

Ex Output:
Elemental mercury helps measure air pressure.


Ex Input:
Fact 1: Bioterrorism is the intentional release or spread of agents of disease. 
Fact 2: Smallpox is an acute infectious disease caused by a virus.

Ex Output:

The intentional release of smallpox would be bioterrorism.