Born in 1921 in Lviv -- then part of Poland but now in Ukraine -- Mr. Lem began to study medicine as a young man , but his education was interrupted by World War II .
Ukraine /location/location/contains Lviv
VBN IN CD IN NNP : RB NN IN NNP CC RB IN NNP : NNP NNP VBD TO VB NN IN DT JJ NN , CC PRP$ NN VBD VBN IN NNP NNP NNP .