Translate the given Spanish text to English
--------
Question: Y1 is oxygen or hydrogen.

Answer: Y1 es oxígeno o hidrógeno.


Question: The beverage can lack dimethyl dicarbonate and/or ascorbic acid.

Answer: La bebida puede carecer de dicarbonato de dimetilo y/o ácido ascórbico.


Question: Rheumatoid arthritis is also characterized by joint inflammation.

Answer:
La artritis reumatoide tambien se caracteriza por inflamacion articular.