Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to ask alexa stock prices [title] Say " alexa ". [step] Say the wake command to wake alexa and she will begin listening for your next command. [substeps] The default wake command is " alexa, " but if you've changed it to " echo, " " amazon, " or some other command, then use that instead.

Ending1: Alexa will reply and say " alexa, echo " after saying this command, so you could hear every word alexa says when she says it in this sim. To save confusion, begin experimenting with this command instead of asking alexa to speak out loud. Ending2: [title] Say " alexa " when alexa asks if alexa wants to buy stock. [step] Simply say " alexa, " and alexa will tell you she wants to buy stock. Ending3: [title] Ask alexa the stock price for a specific stock. [step] You can simply say [substeps] For example, you can say, " alexa, stock price for amazon, " or " alexa, check amazon stock, "' to get the stock price for amazon.com inc. Ending4: You will then hear alexa's free reply. Continue with the commands from the previous step.

Answer format: ending1/ending2/ending3/ending4