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.
Input: Sentence 1:Legacy effects are temporally and spatially variable and the resulting sediment have varying spatial extents , accumulation rates and residence times within a river system . Sentence 2:For example , removal of beaver dams may initially cause local sedimentation within a portion of basin that comprises solely a few hectares .
Output:
for example