Complex sentence: The House of Lords answered that since the contract did not prescribe a minimum number of voyages, there was no breach by the charterers undertaking only 8 voyages rather than the 17 that the owners claimed were possible.
Split into simpler sentences: The House of Lords held that the contract did not in fact prescribe a minimum number of voyages. Therefore, there was no breach by the charterers merely by undertaking only eight voyages instead of the 14-17 voyages that the owners claimed were possible.