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What is wrong with the argument in the flowchart below? What assumption does the argument make?  

Flow Chart Proof with a total of 3 bubbles. Bubbles 1 and 2 each have an arrow pointing to the third bubble. The bubbles are labeled as follows: Bubble 1, Monkeys like bananas. Bubble 2, Sara likes bananas. Bubble 3, Sara is a monkey.

Note: This stoplight icon appears periodically throughout the text. Problems with this icon display common errors students make. Be sure not to make the same mistakes yourself!

Is it true that everyone who likes bananas is a monkey?