source: [lemma=only] [lemma=if | word=□] □
destination: [lemma=only] [lemma=if | word=happen] □
spec: If you have not read the book , stop trying to argue what it does or does not say and go read it . Upon completing the project , students summarize and analyze their project with the Faculty Review Committee . Prefix churn has not been a problem because the route changes only happen a few times a day . However , positive politeness can often be construed as too forward or presumptuous , Morand says . One commentator requested clarification that the sale establishing an IFP must be sourced under the IFP method only if a taxpayer elects the IFP method . Regardless of where signs or symptoms surface , a case is recordable only if a work event or exposure is a discernable cause of the injury or illness or of a significant aggravation to a pre-existing condition . Grant reviews for many programs at ACF only happen a few times a year ; therefore , reviewers are only needed periodically . Specifies that juveniles charged with certain crimes may be temporarily placed in a shelter or other non-secure placement only if a parent or guardian cannot be located or will not accept custody of the juvenile . This allows , for example , a certain response header to be sent only if a corresponding header is received in the request from the client . You get older , you know it 'll only happen a few times . Some modes of expense , however , seem to contribute more to the growth of public opulence than others . Most power outages last only a few hours and only happen a few times a year . I wish it were never necessary , and I would expect it to only happen a few times per century . Submittal of cases to these systems by States can be of vital importance in helping to ensure the accuracy of SSNs for use in location , enforcement , and collection of child support . They perhaps also acted as intermediaries to the gods.Similar objects have been found in places other than in Deir el-Medina . The EC said it was willing to make " very significant commitments " in the export subsidy issue , but only if a certain parallel movement was made on tackling effectively all export subsidy components in the form of food aid , credit and guarantee programs , as well as State trading enterprises . Necessary condition hypotheses take the form : B only if A. Every necessary condition hypothesis is logically equivalent to a corresponding hypothesis that states a sufficient condition : " B only if A " is true if and only if " if non-A , then non-B " is true . While the price of solar cells and wind turbines has dropped by more than two-thirds since 1980 , most people are not willing to fork out the estimated $ 7,000 to set up a renewable-energy system capable of sustaining a modern family 's lifestyle . Geographic Information Systems in Oceanography and Fisheries provides a thorough examination of marine GIS applications in the examination of the dynamic relations that characterize the marine world , including marine GIS macro routines for the development of Oceanography and Fisheries GIS tools and applications .