If a woman is in front of a building then the lady is outside.
This justifies what answer for what question? Q & A: 
Given the sentence "A woman stands in front of a contemporary building." is it true that "Some lady is standing outside."?
yes
If a woman is in front of a building then the lady is outside.
This justifies what answer for what question? Q & A: 
user
Given the sentence "A woman stands in front of a contemporary building." is it true that "Some lady is standing outside."?
yes
assistant
If a woman is in front of a building then the lady is outside.
This justifies what answer for what question? Q & A: 
Given the sentence "A woman stands in front of a contemporary building." is it true that "Some lady is standing outside."?
yes