The son of my father and mother, that it is not me.
Brother

Egg

Taxi/Cab

Dress
It is someone that cures people, prescribing medicine and surgeries.
Doctor
The mother of my mother
Grandmother/Grandma

Lettuce

Bus

T-shirt
It is someone that helps people when they are in danger like fire or flood warning
Firefighter / Fireman
The son of my sister.
Nephew

Cookies/Biscuits

Subway / Underground / Tube

Cap
It is a woman that serves you in a restaurant or a food center.
Waitress.
My father's wife's daughter, but she isn't my sister.
Stepsister

Chips/Fries


Socks
It is someone that makes experiments to get more knowledge.
Scientist.
It is my partner but we are not married yet.
Fiancé

Sausage

Pram / Stroller

Sneakers / trainers
It is some that use chemistry to help people making medicines or new products (makeup, food, drinks, etc).
Chemist