A photograph of water on Mars has been posted on the NASA website!

Well, colleague...
Proof:
Let's use the mathematicians' favorite method: proof by contradiction...
Let's assume that water can be separated from the glass...
Then, if we and you turn the picture upside down, the water should pour out of the glass. When I conducted this experiment, the water remained in the glass. Therefore, the statement that water can be separated from the glass is false!
Q.E.D.

SuperDuperMegaExtraHighlyRespected colleague, you're coming from some "negative" (do you mean "Ew, go away, you're disgusting!"? That's not a term used in our highly respected scientific circles), so your proof doesn't hold up!
But, again, I can't help but agree with you on the second point. Just like you, I think it's completely pointless to prove the relationship between the observed liquid and the class of alkaloids. It's obvious! :) :) :)
And, if you bring your nose closer to the monitor, you can smell a slight aroma of alcohol vapors.

Therefore, we can conclude that there is no water on Mars after all! :)