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.

Ex Input:
Sentence 1:They realized that they would not be able to return , and even if they did , Alauddin would punish them for not following his orders and for cowardice . Sentence 2:Therefore , they decided to die fighting .

Ex Output:
therefore

Ex Input:
Sentence 1:These small howitzers provided artillery support for mobile military forces where it would otherwise be unavailable . Sentence 2:However , their shorter range made them unsuitable for dueling with other heavier field artillery weapons .

Ex Output:
however

Ex Input:
Sentence 1:In the position at left , White to play will apparently be obliged to retreat the knight from f5 , because the squares to which it could advance are all guarded . Sentence 2:However , the interference move 1. Nd6+ interrupts the black rook 's defense of the black queen .

Ex Output:
however