How to make friends with a stepdaughter<br>Talk to the biological parent first. Find out what the daughter's interests are and the sorts of things she enjoys most. Knowing this in advance will help you to avoid any awkward silences and can help you to build bridges towards a strong relationship.
It’s impossible to make friends with your stepdaughter 
It could be impossible to not 
( z1 possible :polarity - :ARG1 ( z2 befriend :ARG0 ( z3 you ) :ARG1 ( z4 person :ARG0-of ( z5 have-rel-role :ARG1 z3 :ARG2 ( z6 stepdaughter ) ) ) ) )