This is Kham and Titia working on the computer.

This is the group picture. Kham is standing near our group leader Miss Higgs. Miss Higgs is the one who is wearing the overalls. In front of Miss Higgs is Donovan and Monika. Monika is on the right, and Donovan is on the left. Titia is taking the picture.

This is Kham and Titia. Kham is the one working on the computer and Titia is helping her.

This is Donovan and Monika.

Donovan is the one typing on the computer here. Monika is the one who is telling Donovan what to type.