Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

Input: Consider Input: What all is balanced in an open system of particles no sorry what is internally missing from this system?

Output: In an open system of particles, there are no internal what?


Input: Consider Input: What keeps the sensitivity of hormones at the same level, oh I mean the immune system?

Output: What keeps the sensitivity of the immune system at the same levels? 


Input: Consider Input: By the late 19th century, which country oh wait what kinds of literature were Social Darwinism and theories of race?
Output:  What kinds of literature were Social Darwinism and theories of race?