Complex sentence: The star's spectral type of WN5h indicates that it is in an early stage of evolution and reveals the presence of N III, N IV, and N V lines all at similar intensities.
Split into simpler sentences: The star's spectral type of WN5h indicates that it is in an early stage of evolution. The numeral 5 indicates the presence of N III, N IV, and N V lines all at similar intensities.