8776
Highly nonlinear stresB-strain relationships were observed in both elastomers , with a strong dependency on strain rate .
 material: elastomers; concept or principle: strain rate
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: manufacturing standard, machanical property, manufacturing process, material, engineering feature, process parameter, machine or equipment, application, process characterization, enabling technology, biomedical, concept or principle 
Text: {0} 
 Entities: elastomers, strain rate 
Answer:
 material: elastomers; concept or principle: strain rate