Complex sentence: Welles avoided attending the rehearsals or finishing the plays final script and instead was often out drinking and socializing with co-star Meredith, which resulted in the play only ever being rehearsed in fragments or specific scenes.
Split into simpler sentences: Welles avoided attending the rehearsals or finishing the plays final script and instead was often out drinking and socializing with co-star Meredith. This resulted in the play only ever being rehearsed in fragments or specific scenes.