Help meeeeee I. Relative clauses - defining or non-defining?Ghi rõ dùm mình nhé! (VD:câu * A: mệnh đề quan hệ xác định; B:Mệnh đề quan hệ không xác định) mình cảm ơn 7. Tamara has two cats. Both of them are black. A. Tamara's two cats which can play outside are black. B. Tamara's two cats, which can play outside, are black. 8. Kevin has four cats. Two of them are black. A. Kevin's two cats which are black can play outside. B. Kevin's two cats, which are black, can play outside. 9. We are on holiday. Yesterday we visited a church. A. The church which we visited yesterday is very old. B. The church, which we visited yesterday, is very old. 10. We are on holiday. Yesterday we visited a church. A. St. Mary's Church which we visited yesterday is very old. B. St. Mary's Church, which we visited yesterday, is very old.