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:Sex is most often genetically determined , but may be determined by other mechanisms . Sentence 2:For example , alligators use temperature - dependent sex determination during egg incubation .

SOLUTION: for example

PROBLEM: Sentence 1:Mitch becomes jealous when Jody and Andrea begin dating . Sentence 2:Meanwhile , Billy hurts his back fixing Suzanne 's roof ; she takes him in and tries to win back his affections .

SOLUTION: meanwhile

PROBLEM: Sentence 1:The final version of the catalogue containing 103 objects was published in 1781 in the Connaissance des Temps for the year 1784 . Sentence 2:However , due to what was thought for a long time to be the incorrect addition of Messier 102 , the total number remained 102 .

SOLUTION:
however