You are given a sentence and your task is to generate another sentence that supports the given input.

Ex Input:
Features of pollen grains used in identification are size, shape, thickness of the exine (outer wall) and intine (inner wall) of the pollen grain.

Ex Output:
Each pollen grain has two coverings: the exine (thicker, outer layer) and the intine.

Ex Input:
ORGANELLE An organelle is membrane-bound structure within a plant's cell (and all eukaryotic cells) where specialized metabolic tasks occur.

Ex Output:
Eukaryotic cells contain organelles that possess special functions.

Ex Input:
(Formic acid is the poison found in the > sting of fire ants.)

Ex Output:
Formic acid is found in the secretions of stinging ants.