With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dany Rigoulot won the July 1959 French Figure Skating Championship.
text_B: A solenoid valve is an electromechanically operated valve .. valve. valve. solenoid. solenoid. The valve is controlled by an electric current through a solenoid  : in the case of a two-port valve the flow is switched on or off ; in the case of a three-port valve , the outflow is switched between the two outlet ports .. valve. valve. electric current. electric current. solenoid. solenoid. Multiple solenoid valves can be placed together on a manifold .. solenoid. solenoid. manifold. Hydraulic manifold. Solenoid valves are the most frequently used control elements in fluidics .. fluidics. fluidics. Their tasks are to shut off , release , dose , distribute or mix fluids .. They are found in many application areas .. Solenoids offer fast and safe switching , high reliability , long service life , good medium compatibility of the materials used , low control power and compact design .. Besides the plunger-type actuator which is used most frequently , pivoted-armature actuators and rocker actuators are also used .. actuator. actuator
not_related.