1. Ella es una chica. (She’s a girl)
2. Él es un chico. (He’s a boy)
3. Ellos son estudiantes. (They are students)
4. Ella es una mujer. (She’s a woman)
5. Él es un hombre. (He’s a man)
Or to make then more complete (but maybe these would be a little too advance, idk. I only wrote the first three)
1. La fotografía demuestra una chica.
(The picture shows a girl.)
2. El dibujo demuestra un chico.
(The drawing depicts a boy.)
3. Ellos tres son estudiantes.
(All three of them are students.)
Hope this helps!