John was friendly and intelligent . John found a good job

=>John who found good job was friendly and intelligent

The earthquakes was very strong .It struck Kobe in 1995

=> The earthquake which stuck Kobe in 1995 was very strong

The moon reflects the light to the Earth .The moon can be compared to a large mirror

=> The moon which can be compared to a large mirror reflects the light to the Earth

 A tsunami killed more than 300,000 people . It hit some Asian countries in 2004

=> The tsunami which hit some Asian countries in 2004 killed more than 300,000 people