
	query {
		me(func: uid(0x0a)) {
			friends @filter(  a(name, "hello") or b(name, "world", "is") and (c(aa, "aaa") or (d(dd, "haha") or e(ee, "aaa"))) and f(ff, "aaa")){
				name
			}
			gender,age
			hometown
		}
	}
