British mountaineer Alison Hargreaves becomes the first woman to climb Mount Everest alone and without oxygen tanks.
Alison Hargreaves is a mountaineer from Britain.
( z1 mountaineer :source ( z2 country :name ( z3 name :op "Britain" ) ) :domain ( z4 person :name ( z5 name :op "Alison" :op "Hargreaves" ) ) )