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.

Input: Consider Input: Sentence 1:All trace of that entrance has vanished , for the whole southwestern section of the walls underwent many extensive alterations over the centuries . Sentence 2:However , that stretch of wall appeared in a print produced in the 18th century .

Output: however


Input: Consider Input: Sentence 1:However , their stories , composed in verse form , were not written down until the subsequent Sassanian period . Sentence 2:In fact , there is no known Parthian - language literature that survives in original form , since it was written down in the following centuries .

Output: in fact


Input: Consider Input: Sentence 1:White Oak Run has no named tributaries . Sentence 2:However , it does have two unnamed tributaries , both of which enter the stream from the right .


Output: however