Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to perform a bean seed dissection experiment [title] Gather your lab materials. [step] You will need a bowl, water, dried beans, a knife, a journal, and a magnifying glass. You can use any large bean such as a kidney or lima bean.

Ending1: You may also consider having a worksheet or print out of the bean's structures. [substeps] Use different kinds of beans to compare the seed structure across multiple varieties. Ending2: [substeps] You will also need a paper towel. An ordinary university paper towel will do, as it can withstand light taps. Ending3: [substeps] If you don't have a journal, a bottle of water and scissors would work even better. [title] Put your moist beans in a sink or bucket. Ending4: All except for the dried beans, you will need to use 1 to 2 cups of water. Anything that is too liquid can cause gas and infection; beans should not be consumed directly after the experiment is done.

Answer format: ending1/ending2/ending3/ending4