Answer:
In the exposition, we learn that Lennie is a large, slow man who imitates his travel partner, George.
Explanation:
At the novella's beginning, the writer introduces the two main characters, George and Lennie.
The chapter opens with an innocent interaction between George and Lennie when Lennie drinks from stagnant water. We come to know, after a few conversations between George and Lennie that George is the intelligent one and Lennie has more of an acerbic personality. However, George cares about Lennie and takes him along their journey.