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:In the Cattell - Horn - Carroll theory of intelligence , general knowledge is considered a component of crystallized intelligence . Sentence 2:Standardized IQ tests may therefore include measures of general knowledge , such as in the information subtest of the Wechsler Adult Intelligence Scale .

Ex Output:
therefore


Ex Input:
Sentence 1:In its later years it made 49,000 journeys annually , carrying 280,000 cars , 145,000 commercial vehicles and over 2 million passengers . Sentence 2:However , it was inadequate for the growing needs of the region and its physical condition was deteriorating .

Ex Output:
however


Ex Input:
Sentence 1:It also allows one to avoid labour - intensive cloning procedures as well . Sentence 2:However , if this route is taken , there are other biases and hurdles one must consider .

Ex Output:

however