Premise: For information about lessons and/or group excursions, try Armathwaite Hall, Equestrian Centre, Coalbeck Farm, Bassenthwaite, Keswick; Tel. (017687) 76949 (open year-round), or Park Foot Trekking Centre, Pooley Bridge, Ullswater; Tel. (017684) 86696 (open March October).

Hypothesis: The two phone numbers are British numbers. 
Relation: entailment