Instruction: Assess the relevance of a product to a given query by determining if it can function as a substitute, despite not fully meeting certain aspects of the query. Provide a binary output of yes or no based on this evaluation.

Input:
Query: what was battle of gettysburg
Product: What Was? Pack of 5 Books: What Was Pearl Harbor? / What Was the Gold Rush? / What Was the Boston Tea Party? / What Was the March on Washington?/ What Was the Battle of Gettysburg?
Answer: yes