Does the sentence "During the Song dynasty (9061279), officials of the top three ranks wore purple clothes; those of the fourth and fifth wore bright red; those of the sixth and seventh wore green; and the eighth and ninth wore blue." provide a valid answer to the question "During what years did the Song dynasty occur?" OPTIONS:
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- no

A: yes

Does the sentence "Other treaties may be non-self-executing and require 'implementing legislation'a change in the domestic law of a state party that will direct or enable it to fulfill treaty obligations." provide a valid answer to the question "Signing a self-executing treaty automatically does what for a party?" OPTIONS:
- yes
- no

A: no

Does the sentence "Anxious to expand the company's broadcast and cable presence, longtime MCA head Lew Wasserman sought a rich partner." provide a valid answer to the question "Who was the head of MCA in 1990?" OPTIONS:
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A: yes

Does the sentence "In the 20072008 school year, there were 181,973 undergraduate students, 20,014 graduate students, and 4,395 first-professional degree students enrolled in Oklahoma colleges." provide a valid answer to the question "How many professional degree college students were in Oklahoma in 2007?" OPTIONS:
- yes
- no

A:
yes