Single/multi-select question: Does the sentence "They used oxen as their primary beasts of burden and donkeys or equids as their primary transport animal and "woollen clothing as well as rugs were made from the wool or hair of the animals. ..." provide a valid answer to the question "When do the pictograms suggest Sumerians had domesticated livestock?"
Available options:
(A). yes.
(B). no.
(B).