Complex sentence: Dubbed as "CHALLENGE 2000 IN FIVE YEARS", from 1987 TO 1992, which aims to mobilize the whole PGCAG constituency to double the number of churches in five years.
Split into simpler sentences: Dubbed as "CHALLENGE 2000 in FIVE YEARS", from 1987 to 1992. This is a program mobilizing the whole PGCAG constituency to double the number of churches in five years.