Q: In this task, you're given a question, along with a context passage which has extra information available on certain terms mentioned in it, i.e., the proper nouns in the passage. Your job is to determine whether information from more than one term is needed to answer the question. Indicate your choice as 'a' for Yes or 'b' for No.
Question: How many years apart were the people Carlo founded "Don't Give Up" with? Passage:An active supporter of the Unitary Socialist Party of Turati, Matteotti and Treves, he began writing for "Critica Sociale", a review edited by Turati. After the murder of Matteotti, Rosselli pushed for a more active opposition to Fascism. With the help of Ernesto Rossi and Gaetano Salvemini he founded the clandestine publication "Non mollare" (Don't give up). During the following months, fascist violence towards the left became increasingly severe. Ernesto Rossi left the country for France, followed by Salvemini. In 15 February 1926 fellow activist Piero Gobetti died as an exile in Paris for the consequences of a fascist aggression happened in Turin the year before. Still in Italy, Rosselli and Pietro Nenni founded the review "Quarto Stato", which was banned after a few months.

A:
a