Information: - North Africa or Northern Africa is the northernmost region of Africa. The United Nations definition of "North Africa" includes seven countries and territories; Algeria, Egypt, Libya, Mauritania, Morocco, Sudan, Tunisia, and Western Sahara. The countries of Algeria, Morocco, Tunisia, and Libya are often collectively referred to as the Maghreb, which is the Arabic word for "sunset". Egypt lies to the northeast and encompasses part of West Asia, while Sudan is situated on the edge of the Sahel, to the south of Egypt. - Prince Moulay Hassan (born 8 May 2003) is the current heir apparent to the Moroccan throne. He is the oldest child of King Mohammed VI of Morocco and his wife Princess Lalla Salma of Morocco. He has a younger sister, Princess Lalla Khadija. He is named after his grandfather Hassan II; if he ascends the throne, he is expected to reign as Hassan III. - Morocco (', lit. "The West"; '), officially known as the Kingdom of Morocco (', lit. "The Western Kingdom"; '), is a sovereign country located in the Maghreb region of North Africa. Geographically, Morocco is characterized by a rugged mountainous interior, large tracts of desert, and a lengthy coastline along the Atlantic Ocean and Mediterranean Sea. - Princess Lalla Khadija of Morocco ( born 28 February 2007 ) is the second child of Mohammed VI of Morocco and his wife , Princess Lalla Salma . Lalla Khadija 's elder brother is Moulay Hassan , Crown Prince of Morocco . In honour of her birth , the king granted a royal pardon to thousands of prison inmates . Khadija visited Tunisia with her mother Lalla Salma in June 2009 . Given the information above, choose from the list below the object entity that exhibits the relation 'mother' with the subject 'princess lalla khadija of morocco'. Choices: - asia - princess lalla salma of morocco
Answer:
princess lalla salma of morocco