1.   But his office said he would undertake public engagements.

2.   She is frail and sometimes uses a golf buggy, but still appears in relatively good health and regularly undertakes public engagements.

3.   She is frail and sometimes using a golf buggy, but still appears in relatively good health and regularly undertakes public engagements.

4.   Tutu, however, will not undertake any engagements for the next two or three weeks, Boraine said.