He was playing the guitar at the street corner.

Among my family, I am the tallest.

He is working as an agent for the Central Intelligence Agency.

Geographic Information Systems are very useful tools for map making and spatial data analysis.

We will create a map using geographical information.

I am interested in the culture of China.

He is good at reading Chinese text.

I am busy with work during the day.

I work during the daytime.

He is researching the functions of the midbrain.