Given that \(d\) \(b\), \(b\) \(m\), \(c\) \(b\). First build a straight line \(b\), second — \(d\), third — \(m\) and fourth — \(c\).
1. How many parallel lines are formed by these lines:
(Note: Enter the number)
2. Name the given parallel lines: .
(Note: Enter letters without commas and spaces between them)