He was re - elected by comfortable margins in the elections of 1971 , 1975 , 1977 , 1981 and 1985 , and served as an opposition member for his entire legislative career .
Head entity: 1981 Q7094974 18
Tail entity: 1985 Q3586383 20
Relation (head \u2192 tail): P156
Inverse relation (tail \u2192 head): P155