TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: When did Rinchinbal I mean Tugh Temur die?

SOLUTION: When did Tugh Temur die?

PROBLEM: when or what year was Wisconsin v. Yoder decided at the Supreme Court?

SOLUTION: In what year was Wisconsin v. Yoder decided at the Supreme Court?

PROBLEM: When were medicinal properties of plants in Ancient Greece I mean who was the only man to study them?

SOLUTION:
Who was the only man to study medicinal properties of plants in Ancient Greece?