She traces the dessert 's lineage back to I Tre Scalini , the famed cafe on the Piazza Navona in Rome .
Rome /location/location/contains Piazza Navona
PRP NNS DT NN POS NN RB TO PRP VBP NNP , DT JJ NN IN DT NNP NNP IN NNP .
Rome
LOCATION
Piazza Navona
PERSON
/location/location/contains