I copy a few lines from a biography when I write a critique of that biography for a school assignment. A paragraph (the paragraph containing the quoted lines) goes viral after my classmate posted it on TikTok, then people start printing posters containing the block of text. The biography author accuses me of copyright infringement. My use is likely 1) Copyright infringement because the copyrighted material constituted the majority of the portion that went viral, and that viral use was not for education purposes 2) Fair use 3) Statutory allowance 4) Criminal copyright infringement I copy a few lines from a biography when I write a critique of that biography for a school assignment. A paragraph (the paragraph containing the quoted lines) goes viral after my classmate posted it on TikTok, then people start printing posters containing the block of text. The biography author accuses me of copyright infringement. My use is likely 1) Copyright infringement because the copyrighted material constituted the majority of the portion that went viral, and that viral use was not for education purposes 2) Fair use 3) Statutory allowance 4) Criminal copyright infringement