instruction:
In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
question:
Freyberg had informed his superiors that he believed , given the circumstances , there was no better than a 50 per cent chance of success for the offensive .
answer:
Freyberg thought there was only a 50 % chance of success for the attack .


question:
In chemistry and physics , activation energy is the energy which must be provided to a chemical or nuclear system with potential reactants to result in : a chemical reaction , nuclear reaction , or various other physical phenomena .
answer:
The activation energy of a chemical reaction is the minimum energy that is needed to make the reaction happen .


question:
As a means of recording the passage of time , the 14th century was a century lasting from January 1 , 1301 , to December 31 , 1400 .
answer:

The 14th century is the century from 1301 to 1400 .