Detailed Instructions: This task is about translating a given Spanish language sentence to English.
See one example below:
Problem: Leeuwenhoek y Huygens... ...fueron abuelos de la medicina moderna:
Solution: Leeuwenhoek and Huygens... ...are the grandfathers of much of modern medicine.
Explanation: This is a good example because the Spanish sentence has been translated correctly to English.

Problem: No obstante, los atributos rel="next" y rel="prev" funcionan para una serie o para una secuencia de contenido.
Solution:
But rel="next," "prev" works for a series or a sequence of content.