What made you smile? What made you smile? What made you smile? What made you smile? What made you smile?
The writer know how to smile.
( z0 know :ARG0 ( z1 person :ARG0-of ( z2 write ) ) :ARG1 ( z3 smile :ARG0 z1 ) )
(z0 / know-03
    :ARG0 (z1 / person
              :ARG0-of (z2 / write-01))
    :ARG1 (z3 / smile-01
              :ARG0 z1))
The writer know how to smile .
z1 :ARG0-of z2
z0 :ARG0 z1
z0 :ARG1 z3
z3 :ARG0 z1