Does the sentence "In Alexandria in the 19th century there was a large community of Italian Egyptians and Italian was the "lingua franca" of the city." provide a valid answer to the question "What are main laguages of immigrants?"

A: no

Does the sentence "In 1260, control passed to the Mamluk sultans of Egypt." provide a valid answer to the question "When was control passed to the Mamluk sultans of Egypt?"

A: yes

Does the sentence "John had eighteen months from diagnosis till death." provide a valid answer to the question "How long did von Neumann survive with cancer?"

A: yes

Does the sentence "The service specialises in lossless audio and high definition music videos." provide a valid answer to the question "What is Tidal's specialization?"

A:
yes