Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Sentence 1:Some IGFBPs are inhibitory . Sentence 2:For example , both IGFBP - 2 and IGFBP - 5 bind IGF - 1 at a higher affinity than it binds its receptor .
Student:
for example