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.

Example Input: Fact 1: microorganisms cause food to spoil. 
Fact 2: Food poisoning occurs when spoiled food is eaten.
Example Output: Microorganisms cause food poisoning.

Example Input: Fact 1: Mammals can also generate little bursts of heat by shivering. 
Fact 2: All humans are mammals.
Example Output: humans can generate little bursts of heat by shivering.

Example Input: Fact 1: Ribosomes are small organelles where proteins are made. 
Fact 2: When a cell divides, large amounts of proteins are being made and new organelles are formed.
Example Output:
Ribosomes involve the cell dividing.