At the police-training center in Waipahu, 17 members of the Honolulu Police Department's recruit class practiced driving on this training course on Friday. It will be the last recruit class for a while. Another class set to begin next week has been postponed and a second recruit class scheduled for July will also likely be put off to save money. "We're going to just delay it for now until the budget situation clears up a little bit more," Honolulu Mayor Mufi Hannemann said.
Money is the reason why the classes have been delayed.
it says it was put off to save money so it is correct but the wording was different and made the AI think it was unknown information. 
( z1 delay :ARG1 ( z2 class ) :ARG1-of ( z3 cause :ARG0 ( z4 money ) ) )