Does the sentence "These were originally considered some of the most primitive Bilateria, but it now appears they developed from more complex ancestors." provide a valid answer to the question "What does acoelomates mean?"

A: no

Does the sentence "The CTAG (Latvian: Cilvektiesibu aizstavibas grupa, Human Rights Defense Group) Helsinki-86 was founded in July 1986 in the Latvian port town of Liepaja by three workers: Linards Grantins, Raimonds Bitenieks, and Martins Bariss." provide a valid answer to the question "Who created the CTAG?"

A: yes

Does the sentence "A planned tour of Australia and New Zealand was postponed after the King suffered an arterial blockage in his right leg, which threatened the loss of the leg and was treated with a right lumbar sympathectomy in March 1949." provide a valid answer to the question "What treatment helped prevent the loss of the King's right leg?"

A: yes

Does the sentence "The degrees of freemasonry retain the three grades of medieval craft guilds, those of Apprentice, Journeyman or fellow (now called Fellowcraft), and Master Mason." provide a valid answer to the question "How many grades are there in medieval craft guilds?"

A:
yes