<p dir="ltr"><a href="https://mobile.twitter.com/mdreid/status/645429630829117440">https://mobile.twitter.com/mdreid/status/645429630829117440</a></p>
<p dir="ltr"><a href="http://macbeth.cs.ucdavis.edu/lang_study.pdf">http://macbeth.cs.ucdavis.edu/lang_study.pdf</a></p>