Carmen is designing an intersection of the rail line and four streets. She wants to know which streets are parallel.
 Transversal t crosses lines c, d, e, f forming 16 angles. Clockwise from top left, the angles formed with line c are blank, blank, blank, 114 degrees; with line d are blank, blank, 68 degrees, blank; with line e are blank, 112 degrees, blank, blank; with line f are blank, blank, 66 degrees, blank.
 Which streets are parallel? Check all that apply.
 c || d
 c || e
 c || f
 d || e
 d || f
 e || f