Problem: Does "Today their descendants number approximately 150 million in South America and the Caribbean." answer the question "How many Africans were shipped to the US between 1492 to 1888?"

A: no

Problem: Does "After the financial crisis of 200708, it was known in 20082009 that two Portuguese banks (Banco Portugues de Negocios (BPN) and Banco Privado Portugues (BPP)) had been accumulating losses for years due to bad investments, embezzlement and accounting fraud." answer the question "In what two years was there a financial crisis?"

A: yes

Problem: Does "It is derived from the English word commensal used of human social interaction." answer the question "What type of symbiotic relationship helps one organism and doesn't have a major affect on the other?"

A:
no