Detailed Instructions: 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.
Q: Sentence 1:During the growing season , the sun shines on a vertical surface at an extreme angle such that much less light is available to crops than when they are planted on flat land . Sentence 2:Therefore , supplemental light would be required .
A:
therefore