Complex sentence: Different sections of the circuit dryed out at different rates and the surface making it difficult for drivers to tell precisely how wet or dry certain corners were and the teams ran intermediate tyres before switching to the super-soft tyre as the session progressed.
Split into simpler sentences: Different sections of the circuit dried out at different rates making it difficult for drivers to tell precisely how wet or dry certain corners were. The teams ran intermediate tyres before switching to the super-soft tyre as the session progressed.