Which offences can result in 4 demerit points?

• Failing to yield the right-of-way to a pedestrian in a crosswalk
• Following too closely
• Speeding (exceeding the limit by 31 to 50 km/h)
• All of the above
  Explanation:

  "In Alberta, offences such as failing to yield the right-of-way to a pedestrian in a crosswalk, following too closely, and speeding (exceeding the limit by 31 to 50 km/h) can result in 4 demerit points being added to your licence."