<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.chama kikuu cha upinzani nchini ghana, kimesusia sherehe za kuapishwa kwa rais john mahama kufuatia uchaguzi wa mwezi uliopita uliokumba na utata.  <response>: ghanas main opposition party is boycotting the swearing-in ceremony of president john mahama following last months disputed elections. 