Noah and Lily have been great friends for 2 years. Both Noah and Lily love each other, but have failed to express their feelings to each other. One day Noah builds up the courage and expresses his love for Lily. A few months later, they move in together, and he asks Lily to marry him. Lily tells him that she would love to marry him, but she is an illegal alien and is being deported, Noah suggests that they get married right away so that she would not be deported. If Noah and Lily get married immediately, are they committing marriage fraud? Fully explain.