Complex sentence: The participants are selected among the best applicants (about 40, out of more than 1000 applicants each year), who must be in the last year of their undergraduate studies, or following a postgraduate course in the fields of Engineering, Sciences or Architecture.
Split into simpler sentences: The participants are selected among the best applicants (about 40 out of more than 1000 applicants each year). To be eligible, students must be in the last year of their undergraduate studies, or following a postgraduate course in the fields of Engineering, Sciences or Architecture.