------------------------------------------
{subsActivityBeforeActivity(a12,a12,7), subsActivityBeforeActivity(a14,a14,8)}

{compObjWrittenByActivityBeforeActivity(x2,a12,a12,8)}

{compObjWrittenByActivityBeforeActivity(x2,a14,a12,8), compObjWrittenByActivityBeforeActivity(x2,a14,a14,11)}