ILL GIVE BRAINLIEST

the vertices of ΔABC are A(-5, 5), B(-2, 4), and C(-3, 3). If ΔABC is reflected across the line y = -1 to produce the image of ΔA'B'C', find the coordinates of the vertex B'

the coordinates of B' after a reflection across the line y = -1 are (__, __)
(type an ordered pair)