Lawrence remained behind, but after a few moments Cynthia called to him over her shoulder to come and join us. 
Lawrence was hesitated about joining.
Lawrence joined them immediately without being called
A man in a grey sweater is weighing meat.
Their attitude is not personal.
Riding motor boats and sail boats.
The white dog is trying to bite onto the stick that the black dog is carrying.
People are working
Maybe it's not.