Fati is an old woman.
>>The adjective in this sentence is old because it's describing the old woman.
Mrs. Adom gave me a pencil.
>>The adjective in this sentence is I think the pencil because it is describing the fact that Mrs. Adom gave me a pencil.
** I am not sure about this one**
Mrs Adjei gave birth to two beautiful sets of twins.
>> The adjective in this sentence is Mrs. Adjei giving birth.