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: Background 35 The reasons for the large differences between countries in the sizes of their SARS 36 CoV-2 epidemics is unknown. Individual level studies have found that the use of face 37 masks was protective for the acquisition and transmission of a range of respiratory 38 viruses including SARS CoV-1. We hypothesized that population level usage of face 39 masks may be negatively associated SARS CoV-2 spread. 40 41 At a country level, linear regression was used to assess the association between 43
Title: Widespread use of face masks in public may slow the spread of SARS CoV-2: 1 an ecological study 2 3 4
True