In this task, you're given a paragraph and title from the research paper. Your task is to classify whether the given title is suitable or not for the research paper based on the given paragraph. Return "True" if title is proper according to paragraph else "False".

Paragraph: The field of viral molecular biology has reached a precipice for which pioneering studies on the structure of viral RNAs are beginning to bridge the gap. It has become clear that viral genomic RNAs are not simply carriers of hereditary information, but rather are active players in many critical stages during replication. Indeed, functions such as cap-independent translation initiation mechanisms are, in some cases, primarily driven by RNA structural determinants. Other stages including reverse transcription initiation in retroviruses, nuclear export and viral packaging are specifically dependent on the proper 3-dimensional folding of multiple RNA domains to recruit necessary viral and host factors required for activity. Furthermore, a large-scale conformational change within the 5-untranslated region of HIV-1 has been proposed to regulate the temporal switch between viral protein synthesis and packaging. These RNA-dependent functions are necessary for replication of many human disease-causing viruses such as severe acute respiratory syndrome (SARS)-associated coronavirus, West Nile virus, and HIV-1. The potential for antiviral development is currently hindered by a poor understanding of RNA-driven molecular mechanisms, resulting from a lack of structural information on large RNAs and ribonucleoprotein complexes. Herein, we describe the recent progress that has been made on characterizing these large RNAs and provide brief descriptions of the techniques that will be at the forefront of future advances. Ongoing and future work will contribute to a more complete understanding of the lifecycles of retroviruses and RNA viruses and potentially lead to novel antiviral strategies.
Title: Progress and outlook in structural biology of large viral RNAs NIH Public Access
True

Paragraph: Mice infected with neurotropic strains of coronavirus develop acute encephalomyelitis and eliminate infectious virus. However, control of acute infection is incomplete resulting in persistence of viral RNA in the central nervous system (CNS) associated with ongoing primary demyelination. A high prevalence of virus specific CD8 and CD4 T cells within the CNS correlates with ex vivo cytolytic activity and IFN-7 secretion, which are both required for virus reduction during the acute infection. Although most infected cell types are susceptible to perforin mediated clearance, IFNq' is required for controlling infection of oligodendrocytes. Furthermore, by enhancing class I expression and inducing class II expression within resident CNS cells IFN-7 optimizes T cell receptor dependent functions. In addition to its direct anti viral activity, these multifactorial effects make IFN-y more essential than perforin for viral control. CD4 T cells enhance CD8 T cell expansion, survival and effectiveness. Although both CD8 and CD4 T cells are retained within the CNS during persistence, they cannot control viral recrudescence in the absence of humoral immunity. Demyelination can be mediated by either CD8 or CD4 T cells; however, although a variety of effector molecules have been excluded, a dominant common denominator remains elusive. Thus concerted efforts to control infection coincide with a variety of potential mechanisms causing chronic demyelinating disease.
Title: Chapter C4 THE ROLE OF T CELLS IN CORONA-VIRUS- INDUCED DEMYELINATION
False

Paragraph: We study the number and date of structural breaks in international tourism demand. We use Bai and Perron (1998) structural break test for 25 countries and Madeira. We fill a gap in the literature regarding the ex-post detection of tourism crisis. We compare the date of tourism crises to the dating of these structural breaks. We observe those tourism crises are largely consistent with the dates of breaks. It is recognised that the tourism industry is vulnerable to some form of crises or disaster. However, despite the attention given to the nature and consequences of tourism crises and disasters, there is a gap in the literature regarding the ex-post detection of these events. In this article, we estimate both the number and date of structural breaks in international tourism arrival series for 25 countries and Madeira Island using the Bai and Perron (1998) structural break test. We compare the date of tourism crises and disasters to the dating of these structural breaks. We observe that tourism crises and disasters are largely consistent with the dates of breaks. Therefore, this method allows us to solve a gap in the tourism industry related to the correct allocation of negative shocks in international tourism arrival demand to crisis or disaster phenomena.
Title: Structural breaks in international tourism demand: Are they caused by crises or disasters?
True