Can anyone tell me which of the following sentences is right?<br/><br/><span style="color:#ff0000;">Men</span>-of-war is a form of jellyfish with poisonous parts that are capable of doing serious harm to swimmers....<br/><br/><br/><span style="color:#ff0000;">Man</span>-of-war is a form of jellyfish with poisonous parts that are capable of doing serious harm to swimmers....