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: En ciertos casos es necesario llevar a cabo tratamientos previos con agentes oxidantes o reductores en valoraciones redox con la finalidad de
Example Output: In certain cases it is necessary to carry out previous treatments with oxidizing or reducing agents in redox evaluations in order to

Example Input: De entre los 5 tipos de histonas de la cromatina, la de menor peso molecular es
Example Output: Among the 5 types of histones of chromatin, the one with the lowest molecular weight is

Example Input: Al valorar el método anticonceptivo más adecuado para una persona hay que tener en cuenta
Example Output:
When assessing the most appropriate contraceptive method for a person, the following should be taken into account