user: Classify the below places based on whether they are mountains or river.
Everest, Niles, Hudson, Nanga Parbat

assistant: Everest, Nanga Parbat - Mountains
Niles, Hudson- River

user: Extract the areas of science using differential equations in this text in an alphabetically ordered list.

assistant: Here is a list of alphabetically sorted applications of differential equations:
- Biology
- Economics
- Engineering
- Physics

user: Who was Lester Menke

assistant: Lester D. Menke (December 16, 1918 – March 5, 2016) was a state Representative from the Iowa's 5th and 7th Districts. He served in the Iowa House of Representatives from 1973 to 1985, serving as Speaker pro Tempore from 1981 to 1985. 

After he served in the Iowa House, Menke served as a liaison between Governor Terry Branstad and the legislature for two years. Menke has a B.A. from Morningside College, where he later served as a member of the board of directors, and attended The University of Iowa College of Law for one year. He worked as a farm owner and for an insurance agency.

He served on various school boards and served as president of the Iowa Association of School Boards and State Board of Public Instruction and as director of the National Association of State Boards of Education, as well as serving on the Iowa Educational Radio and Television Facilities Board. Menke received Morningside College's Distinguished Alumni award in 1975.