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Task/Amb/Icon/amb.icon

@@ -0,0 +1,18 @@
+procedure main()
+    s1 := ["the","that","a"]
+    s2 := ["frog","elephant","thing"]
+    s3 := ["walked","treaded","grows"]
+    s4 := ["slowly","quickly"]
+
+    write(amb(!s1,!s2,!s3,!s4))
+end
+
+procedure amb(exprs[])
+    s := ""
+    every e := !exprs do {
+        if \c ~== e[1] then fail
+        c := e[-1]
+        s ||:= e || " "
+        }
+    return s
+end