Definition: In this task, you are given a question and a context passage. You have to answer the question based on the given passage.
Input: What is the second component of the web browsers mentioned in the text?, Context: Web browsers consist of a user interface, layout engine, rendering engine, JavaScript interpreter, UI backend, networking component and data persistence component. These components achieve different functionalities of a web browser and together provide all capabilities of a web browser.
Output:
layout engine