He thought things over in his usual slow and steady way, deciding that the mention of "Mr. Brown" was not a request for an individual, but in all probability a password used by the gang.
After careful thought he determined it was most likely a password used by the gang.
Mr. Brown realized the gang used passwords that were slow to fade from people's memories.
A person rides a bike.
The woman is sewing.
A man is walking.
Is not expensive to keep military components in alert.
Awara onsen is Japan's most popular hot spring.
Man is snorkeling in the great barrier reef.