premise: How to make a mini pond<br>Find a suitable waterproof container or basin. It should measure about 20 centimeter (7.9 in) long and 20 centimeter (7.9 in) wide and 10 centimeter (3.9 in) deep. Clean the container under the running water for 1 minute.
hypothesis: The mini pond can only be 10 centimeters deep
reason: It never says that it has to be that deep so it could be deeper