Premise: "Tourists observe a geographic landmark through viewfinders."\nBased on this premise, can we conclude that the hypothesis "Two people are outdoors." is true?\nOptions:\n- yes\n- it is not possible to tell\n- no
Let's think step by step below.
yes
Tourists denote more than one people and so there are two people (at least) outdoors as geographic landmark being observed.

.

The answer: yes