A group of people in white are juggling.
A group of people are wearing black sequined bathing suits while scuba diving.
If people are in white they cannot be wearing black.  Scuba diving and juggling are not done at the same time.
exists e1 x1 x2 x3.(Actor(e1,x1) & v_juggle(e1) & of(x1,x2) & in(x2,x3) & n_white(x3) & n_people(x2) & n_group(x1))
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(while(e1,x5) & n_diving(x5) & of(x5,x6) & n_scuba(x6) & Theme(e1,x3) & Actor(e1,x1) & v_wear(e1) & n_suit(x3) & of(x3,x4) & n_bathing(x4) & a_sequined(s2) & Theme(s2,x3) & a_black(s1) & Theme(s1,x3) & of(x1,x2) & n_people(x2) & n_group(x1))