Premise: Android is a mobile operating system developed by Google , based on the Linux kernel and designed primarily for touchscreen mobile devices such as smartphones and tablets . Initially developed by Android Inc. , which Google bought in 2005 , Android was unveiled in 2007 , along with the founding of the Open Handset Alliancea consortium of hardware , software , and telecommunication companies devoted to advancing open standards for mobile devices .
Hypothesis: Android is a mobile personal assistant.
Label: CONTRADICTION