According to Middle East Economic Survey ( MEES ) , Yemen and Amoco signed a " memorandum of understanding " for a production-sharing agreement in Shabwa Block No .
<response> According to <misc>Middle East Economic Survey</misc> ( <misc>MEES</misc> ) , <location>Yemen</location> and <organization>Amoco</organization> signed a " memorandum of understanding " for a production-sharing agreement in <misc>Shabwa Block No .</misc> </response>