Produce a sentence which mentions all of these concepts: face, heart, smile

face of innocence ... some smiles are straight from the heart .

Produce a sentence which mentions all of these concepts: forehead, lean, move, panel, stomach

Lying on her stomach on the panel, someone moves toward someone and leans her forehead against his.

Produce a sentence which mentions all of these concepts: lake, mirror, tree
the trees are mirroring themselves in the lake