British mountaineer Alison Hargreaves becomes the first woman to climb Mount Everest alone and without oxygen tanks.
A British mountaineer became the first woman to ascend Everest alone and without oxygen tanks.
( z1 become :ARG1 ( z2 mountaineer :mod ( z3 country :name ( z4 name :op "Britain" ) ) ) :ARG2 ( z5 woman :ord ( z6 ordinal-entity :value 1 ) :ARG0-of ( z7 ascend :ARG1 ( z8 mountain :name ( z9 name :op "Everest" ) ) :manner ( z10 and :op ( z11 alone ) :op ( z12 tank :polarity - :mod ( z13 oxygen ) ) ) ) ) )