Fig. 2.
Example response pictures. 1: Contact, 2: yes filler (selected from the first part of the clip), 3: no filler (not in the clip)
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.