British mountaineer Alison Hargreaves becomes the first woman to climb Mount Everest alone and without oxygen tanks.
She did it when she was 28 years old
( z1 do :ARG0 ( z2 she ) :ARG1 ( z3 it ) :time ( z4 age :ARG1 z2 :ARG2 ( z5 temporal-quantity :quant 28 :unit ( z6 year ) ) ) )