 
 <translate> Yes / no, is the following a verifiable fact?
"July 28 th occurs only once every four years."
Chain of thought and solution for this question is: <ibo> Ee/mba, ihe ndị a na-esonụ hà bụ eziokwu? "July 28th na-eme naanị otu ugboro n'afọ anọ ọ bụla". Usoro echiche na ngwọta maka ajụjụ a bụ: 