TASK DEFINITION: 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.
PROBLEM: Sentence 1:Most of Pamban Island lies below sea - level . Sentence 2:However , there are a few hillocks and elevated physical features in the vicinity of Rameswaram of which Mt. Gandamadana is the tallest .

SOLUTION: however

PROBLEM: 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 .

SOLUTION: however

PROBLEM: Sentence 1:They determined that she had meant her birth father and the case was closed . Sentence 2:Then , in 2006 , school staff called DCF to report a large bruise on Nubia 's face that they suspected was child abuse .

SOLUTION:
then