Teacher:In this task, you are given two sentences in the English language (Sentence 1 and Sentence 2). Your task is to identify the connecting word between the two sentences.
Teacher: Now, understand the problem? Solve this instance: Sentence 1:For instance , the behavior of water and CO at their boiling points fall in the same universality class because they have identical critical exponents . Sentence 2:In fact , almost all material phase transitions are described by a small set of universality classes .
Student:
in fact