Sir question in picture.

Imagine the following. A set of rail road tracks are cut by a vertical dipping fault. As you walk along the railroad tracks toward the fault, at the intersection of the tracks and the fault, you have to turn to your left and walk about 10 meters along the fault until you encounter the the continuation of the railroad tracks. What would you call the fault ? left-lateral strike-slip fault right-lateral strike-slip fault left-slip fault strike- lateral right-slip fault strike-lateral