If you like learning about science, you are all?\nOptions:\n- frustration\n- experiment\n- invent\n- smiles\n- gain information
Use reasoning to answer the following question.
smiles
Smile means a pleased, kind, or amused expression, typically with the corners of the mouth turned up and the front teeth exposed.

If you like learning about science, you are all smiles.

.

The final answer: smiles