Frage im Vorstellungsgespräch bei Nagarro

Most tricky one In SQL if we have 2 tables :- table 1 and table 2 table 1 contains e1 e2 table 2 contains e1 e1 e2 e3 if we apply joins in this 2 tables then what wll be the output of the joins you know? this one looks easy but isn't