Genesis 18:9 YLT

⁷  and Abraham ran unto the herd, and taketh a son of the herd, tender and good, and giveth unto the young man, and he hasteth to prepare it;

⁸  and he taketh butter and milk, and the son of the herd which he hath prepared, and setteth before them; and he is standing by them under the tree, and they do eat.

⁹  And they say unto him, 'Where 'is' Sarah thy wife?' and he saith, 'Lo -- in the tent;'

¹⁰  and he saith, 'returning I return unto thee, about the time of life, and lo, to Sarah thy wife a son.'

¹¹  And Sarah is hearkening at the opening of the tent, which is behind him;