A group of people underneath a blue tarp at an outdoor market.
People are at a market.
A group of people is people  and the market is outside.
exists s1 s2 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & underneath(x2,x3) & at(x3,x4) & n_market(x4) & a_outdoor(s2) & Theme(s2,x4) & n_tarp(x3) & a_blue(s1) & Theme(s1,x3) & n_people(x2) & n_group(x1))
exists p1 x1.(exists x2.(at(x1,x2) & n_market(x2)) & n_people(x1))