In this task, you are given a sentence from the research paper and your task is to classify the given sentence into the following categories: Background (Why is this problem important? What relevant works have been created before? What is still missing in the previous works? What are the high-level research questions? How might this help other research or researchers?), Purpose (What specific things do the researchers want to do? What specific knowledge do the researchers want to gain? What specific hypothesis do the researchers want to test?), Method (How did the researchers do the work or find what they sought? What are the procedures and steps of the research?), or Finding (What did the researchers find out? Did the proposed methods work? Did the thing behave as the researchers expected?). 

Q: including in China , were infected and approximately 770 people died.

A: background
****
Q: and we hypothesized that anti-cat isotype-specific antibodies would cross react with hyena immunoglobulin epitopes.

A: purpose
****
Q: caprylic ( C8 ) , and capric acids ( C10 ) and applied with an aerosolizing nozzle ; 4 ) treatment 3 applied directly into the mixer without an aerosolizing nozzle ; 5 ) 0.66 % caproic acid ; 6 ) 0.66 % caprylic acid ; 7 ) 0.66 % capric acid ; 8 ) 0.66 % lauric acid ; 9 ) 1 % blend of 1:1 capric and lauric acids ; 10 ) 0.3 % commercially available dry C12 product ; 11 ) 1 % canola oil ; 12 ) 1 % choice white grease ; 13 ) 2 % coconut oil ; 14 ) 1 % coconut oil ; 15 ) 2 % palm kernel oil ; 16 ) 1 % palm kernel oil ; 17 ) 1 % soy oil and four analysis days ( 0 , 1 , 3 , and 7 post inoculation ) as well as 1 treatment of PEDVnegative feed without chemical treatment.

A:
method
****