------------------------------------------
{subsActivityBeforeActivity(a16,a16,10)}

{compObjWrittenByActivityBeforeActivity(x3,a13,a13,9)}

{compObjWrittenByActivityBeforeActivity(x1,a16,a2,8), compObjWrittenByActivityBeforeActivity(x19,a16,a16,12)}

{compObjWrittenByActivityBeforeActivity(x4,a10,a2,9)}

{}