In this task, you are given a sentence in the Spanish language. Your task is to translate the Spanish sentence into the English language.

Example Input: Pueden presentarse en forma multimérica asociadas con la cadena J las
Example Output: The following may occur in multimeric form associated with the J chain

Example Input: Los conos
Example Output: The cones

Example Input: ¿Cuál de las siguientes sustancias es usada como catalizador en el Proceso de Contacto durante la fabricación de ácido sulfúrico?
Example Output:
Which of the following substances is used as a catalyst in the Contact Process during the manufacture of sulfuric acid ?