In 1973, the United States and Communist China agreed to establish liaison offices in Beijing and Washington.
1973 was a very good year for the US and China
( z1 year :ARG1-of ( z2 good :ARG2 ( z3 and :op ( z4 country :name ( z5 name :op "US" ) ) :op ( z6 country :name ( z7 name :op "China" ) ) ) :degree ( z8 very ) ) :domain ( z9 date-entity :year 1973 ) )