'I learnt a lot. Still. Still. 'I did also find a piece of an ichthyosaur's skull and was able to identify it. I know I can't talk for Mary because I'm not a 19th-century palaeontologist, but I do think I can talk with her.
Mary is a lesbian princess.
( z0 princess :domain ( z1 person :name ( z2 name :op "Mary" ) ) :mod ( z3 lesbian ) )
(z0 / princess
    :domain (z1 / person
                :name (z2 / name
                          :op1 "Mary"))
    :mod (z3 / lesbian))
Mary is a lesbian princess .
z1 :name z2
z2 :op1 0
z0 :mod z3
z0 :domain z1