Assertion: lamb's sister | /r/HasProperty | mary
Facets:
Source sentences:
text: Lamb's older brother was too much his senior to be a youthful companion to the boy but his sister Mary, being born eleven years before him, was probably his closest playmate.
text: In the same year, Tales from Shakespeare (Charles handled the tragedies; his sister Mary, the comedies) was published, and became a best seller for William Godwin's "Children's Library".
text: In the first years of the 19th century, Lamb began a fruitful literary cooperation with his sister Mary.