SRL for [countersuing]: Warner has filed a $ 1 billion breach of contract suit in Los Angeles Superior Court against Sony and the Guber - Peters duo , who in turn are [countersuing] Warner for trying to interfere in Sony 's acquisition of Columbia Pictures Entertainment Inc. and Guber Peters Entertainment Co. in two transactions valued at over $ 5 billion .
R-ARG-0: who | ARG-M-ADV: in turn | ARG-1: Warner | ARG-2: for trying to interfere in Sony 's acquisition of Columbia Pictures Entertainment Inc. and Guber Peters Entertainment Co. in two transactions valued at over $ 5 billion | ARG-0: Sony and the Guber - Peters duo