Useless hints

Some people just can't leave that hint field empty. Some of the useless hints that COs provide:

• ab uvag arrqrq
• rznvy zr sbe n uvag
• ybt n qas naq rznvy zr sbe n erny uvag
• Gurer vf nzcyr cnex cnexvat jvguva n dhnegre zvyr bs gur pnpur.
• LBH JNAG N UVAG, GUNG'F CYNVA GB FRR
  BGUREJVFR LBH JBHYQ ABG OR QRPBQVAT ZR
  OHG ORPNHFR V YBIR FNQVFGVP SHA
  V QBA'G GUVAX V'Z TBVAT GB TVIR LBH BAR!

Copy and paste the above into:
rot13 decoder