Yassaie came to Britain in 1976 from Iran and became a United Kingdom national in 1984. He studied Electronics and Communications at the University of Birmingham gaining a first class honours Bachelor of Science degree in 1979. He stayed at Birmingham to complete a Doctor of Philosophy degree on the application of Charge-Coupled Devices (CCDs) to Sonar.
the agent is aged 20
well we dont know his age
( z1 agent :age ( z2 temporal-quantity :quant 20 :unit ( z3 year ) ) )