Two little children , one boy and one girl , laugh as they sit on the grass .
A brother and sister sit in the grass .
Two little children, one boy and one girl, laugh as they sit on the grass.
A brother and sister sit in the grass.
there is a male and a female child sitting in the grass but there is no clear indication that their relationship is of brother and sister
there is a male and a female child sitting in the grass but there is no clear indication that their relationship is of brother and sister