<p>If you say, "Sally left Mary with Beth," does that mean Sally leaves Mary and Beth, or Sally and Beth leave Mary? Or both?</p>
<p>It means both. The sentence is ambiguous.</p>
<p>If you say, "Sally left Mary with Beth," does that mean Sally leaves Mary and Beth, or Sally and Beth leave Mary? Or both?</p>
<p>It means both. The sentence is ambiguous.</p>