Two men wearing dirty clothing are sitting on a sidewalk with their dog and begging for money using a cardboard sign.
Two research scientists conduct research in disguise.
You can not infer they are in disguise.
Two men wearing dirty clothing are sitting on a sidewalk with their dog and beg for money using a cardboard sign doesn't imply that two research scientists conduct research in disguise
The two men were likely homeless as opposed to being research scientists conducting research in disguise.