A man sitting in a lab with a red shirt and a "F" on the shirt.
A man with a large F on his red shirt sits in a science lab.
A man in a red shirt is sitting in a lab by a counter with a blue package on it that says Zeiss.
A blue Zeiss bags rests on the counter of a lab where a young man in a red shirt is sitting.
a boy wearing a red shirt with the letter 'f' on it